jeudi 18 octobre 2018

NASA’s Fermi Mission Energizes the Sky With Gamma-ray Constellations












NASA - Fermi Gamma-ray Space Telescope logo.

Oct. 18, 2018

Long ago, sky watchers linked the brightest stars into patterns reflecting animals, heroes, monsters and even scientific instruments into what is now an official collection of 88 constellations. Now scientists with NASA’s Fermi Gamma-ray Space Telescope have devised a set of modern constellations constructed from sources in the gamma-ray sky to celebrate the mission’s 10th year of operations.

To explore Fermi’s Gamma-ray Constellations, visit: https://fermi.gsfc.nasa.gov/science/constellations/

The new constellations include a few characters from modern myths. Among them are the Little Prince, the time-warping TARDIS from “Doctor Who,” Godzilla and his heat ray, the antimatter-powered U.S.S. Enterprise from “Star Trek: The Original Series” and the Hulk, the product of a gamma-ray experiment gone awry.

“Developing these unofficial constellations was a fun way to highlight a decade of Fermi’s accomplishments,” said Julie McEnery, the Fermi project scientist at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. “One way or another, all of the gamma-ray constellations have a tie-in to Fermi science.”


Animation above: New, unofficial constellations appear in this image of the sky mapped by NASA’s Fermi Gamma-ray Space Telescope. Fermi scientists devised the constellations to highlight the mission’s 10th year of operations. Fermi has mapped about 3,000 gamma-ray sources — 10 times the number known before its launch and comparable to the number of bright stars in the traditional constellations. Animation Credit: NASA.

Since July 2008, Fermi’s Large Area Telescope (LAT) has been scanning the entire sky each day, mapping and measuring sources of gamma rays, the highest-energy light in the universe. The emission may come from pulsars, nova outbursts, the debris of supernova explosions and giant gamma-ray bubbles located in our own galaxy, or supermassive black holes and gamma-ray bursts — the most powerful explosions in the cosmos — in others.

“By 2015, the number of different sources mapped by Fermi’s LAT had expanded to about 3,000 — 10 times the number known before the mission,” said Goddard’s Elizabeth Ferrara, who led the constellation project. “For the first time ever, the number of known gamma-ray sources was comparable to the number of bright stars, so we thought a new set of constellations was a great way to illustrate the point.”   

The 21 gamma-ray constellations include famous landmarks — such as Sweden’s recovered warship, Vasa, the Washington Monument and Mount Fuji in Japan — in countries contributing to Fermi science. Others represent scientific ideas or tools, from Schrödinger’s Cat — both alive and dead, thanks to quantum physics — to Albert Einstein, Radio Telescope and Black Widow Spider, the namesake of a class of pulsars that evaporate their unfortunate companion stars.

Fermi Gamma-ray Space Telescope. Image Credit: NASA

Ferrara and Daniel Kocevski, an astrophysicist now at NASA’s Marshall Space Flight Center in Huntsville, Alabama, developed a web-based interactive to showcase the constellations, with artwork from Aurore Simonnet, an illustrator at Sonoma State University in Rohnert Park, California, and a map of the whole gamma-ray sky from Fermi. Clicking on a constellation turns on its artwork and name, which includes a link to a page with more information. Other controls switch on the visible sky and selected traditional constellations.

“Fermi is still going strong, and we are now preparing a new all-sky LAT catalog,” said Jean Ballet, a Fermi team member at the French Atomic Energy Commission in Saclay. “This will add about 2,000 sources, many varying greatly in brightness, further enriching these constellations and enlivening the high-energy sky!”

NASA's Fermi Gamma-ray Space Telescope is an astrophysics and particle physics partnership, developed in collaboration with the U.S. Department of Energy and with important contributions from academic institutions and partners in France, Germany, Italy, Japan, Sweden and the United States.

To explore Fermi’s Gamma-ray Constellations, visit: https://fermi.gsfc.nasa.gov/science/constellations/

For more about NASA’s Fermi mission, visit: https://www.nasa.gov/fermi

Animation (mentioned), Image (mentioned), Text, Credits: NASA/Rob Garner/Goddard Space Flight Center, by Francis Reddy.

Greetings, Orbiter.ch

Kes 75: Milky Way's Youngest Pulsar Exposes Secrets of Star's Demise














NASA - Chandra X-ray Observatory patch.

Oct. 18, 2018


Scientists have confirmed the identity of the youngest known pulsar in the Milky Way galaxy using data from NASA's Chandra X-ray Observatory. This result could provide astronomers new information about how some stars end their lives.

After some massive stars run out of nuclear fuel, then collapse and explode as supernovas, they leave behind dense stellar nuggets called "neutron stars". Rapidly rotating and highly magnetized neutron stars produce a lighthouse-like beam of radiation that astronomers detect as pulses as the pulsar's rotation sweeps the beam across the sky.

Since Jocelyn Bell Burnell, Anthony Hewish, and their colleagues first discovered pulsars through their radio emission in the 1960s, over 2,000 of these exotic objects have been identified. However, many mysteries about pulsars remain, including their diverse range of behaviors and the nature of stars that form them.

New data from Chandra are helping address some of those questions. A team of astronomers has confirmed that the supernova remnant Kes 75, located about 19,000 light years from Earth, contains the youngest known pulsar in the Milky Way galaxy.

The rapid rotation and strong magnetic field of the pulsar have generated a wind of energetic matter and antimatter particles that flow away from the pulsar at near the speed of light . This pulsar wind has created a large, magnetized bubble of high-energy particles called a pulsar wind nebula, seen as the blue region surrounding the pulsar.

In this composite image of Kes 75, high-energy X-rays observed by Chandra are colored blue and highlight the pulsar wind nebula surrounding the pulsar, while lower-energy X-rays appear purple and show the debris from the explosion. A Sloan Digital Sky Survey optical image reveals stars in the field.

The Chandra data taken in 2000, 2006, 2009, and 2016 show changes in the pulsar wind nebula with time. Between 2000 and 2016, the Chandra observations reveal that the outer edge of the pulsar wind nebula is expanding at a remarkable 1 million meters per second, or over 2 million miles per hour.

This high speed may be due to the pulsar wind nebula expanding into a relatively low-density environment. Specifically, astronomers suggest it is expanding into a gaseous bubble blown by radioactive nickel formed in the explosion and ejected as the star exploded. This nickel also powered the supernova light, as it decayed into diffuse iron gas that filled the bubble. If so, this gives astronomers insight into the very heart of the exploding star and the elements it created.

The expansion rate also tells astronomers that Kes 75 exploded about five centuries ago as seen from Earth. (The object is some 19,000 light years away, but astronomers refer to when its light would have arrived at Earth.) Unlike other supernova remnants from this era such as Tycho and Kepler, there is no known evidence from historical records that the explosion that created Kes 75 was observed.

Chandra X-ray Observatory. Animation Credits: NASA/CXC

Why wasn't Kes 75 seen from Earth? The Chandra observations along with previous ones from other telescopes indicate that the interstellar dust and gas that fill our Galaxy are very dense in the direction of the doomed star. This would have rendered it too dim to be seen from Earth several centuries ago.

The brightness of the pulsar wind nebula has decreased by 10% from 2000 to 2016, mainly concentrated in the northern area, with a 30% decrease in a bright knot. The rapid changes observed in the Kes 75 pulsar wind nebula, as well as its unusual structure, point to the need for more sophisticated models of the evolution of pulsar wind nebulas.

A paper describing these results appeared in The Astrophysical Journal and is available online. The authors are Stephen Reynolds, Kazimierz Borokowski, and Peter Gwynne from North Carolina State University. NASA's Marshall Space Flight Center in Huntsville, Alabama, manages the Chandra program for NASA's Science Mission Directorate in Washington. The Smithsonian Astrophysical Observatory in Cambridge, Massachusetts, controls Chandra's science and flight operations.

The Astrophysical Journal: https://arxiv.org/abs/1803.09128

Chandra X-Ray Observatory: https://www.nasa.gov/mission_pages/chandra/main/index.html

Read more from NASA's Chandra X-ray Observatory: http://chandra.si.edu/photo/2018/kes75/

For more Chandra images, multimedia and related materials, visit: http://www.nasa.gov/chandra

Animation (mentioned), Image Credits: X-ray: NASA/CXC/NCSU/S. Reynolds; Optical: PanSTARRS/Text Credits: NASA/Lee Mohon.

Greetings, Orbiter.ch

NASA Calls for Instruments, Technologies for Delivery to the Moon












NASA logo.

Oct. 18, 2018

NASA has announced a call for Lunar Surface Instrument and Technology Payloads that will fly to the Moon on commercial lunar landers as early as next year or 2020. The agency is working with U.S. industry and international partners to expand human exploration from the Moon to Mars. It all starts with robotic missions on the lunar surface, as well as a Gateway for astronauts in space orbiting the Moon.

Moon

NASA is preparing to purchase commercial lunar payload delivery services for small payloads, and develop lunar landers for large payloads, to conduct more research on the Moon’s surface ahead of a human return. The agency is seeking investigations that advance capabilities for science, exploration, or commercial development of the Moon. This call is specifically geared towards small payloads that can be ready for early commercial flights. Future calls for lunar payloads will occur at regular intervals for later missions, with the next call released in approximately one year.
“We are looking for ways to not only conduct lunar science but to also use the Moon as a science platform to look back at the Earth, observe the Sun, or view the vast Universe,” said Steve Clarke, Deputy Associate Administrator for Exploration in the Science Mission Directorate at NASA Headquarters in Washington. “In terms of technology, we are interested in those instruments or systems that will help future missions—both human and robotic—explore the Moon and feed forward to future Mars missions.”

On early missions, science instruments will likely gather data related to heat flow within the Moon’s interior, solar wind and atmosphere as well as dust detection. Lander payloads could also conduct technology demonstrations, using the Moon as a technology testbed for Mars.

“The strategy is that these early missions will help us prepare for more complex future missions such as searching for useable resources, building up a seismic network to understand the Moon’s internal structure, and studying the lunar mineralogy and chemistry to understand the Moon’s origins,” Clarke said.  “NASA is also looking forward to supporting U.S. industry efforts to provide more commercial exploration services for multiple customers, including NASA.”

The agency requests payloads be ready for delivery and integration into lunar landers no later than December 2021. In most cases, payloads will be delivered in place and remain under the principal investigator’s control until they are selected for a specific flight.

The call for payloads falls under the Research Opportunities in Space and Earth Science (ROSES) funding program and requests proposals for principal investigator-led science instrument and technology investigations. The initial proposal deadline is November 19, 2018.

Apollo 17

The United States has not soft-landed on the Moon since Apollo 17 in 1972. The Moon has scientific value and the potential to yield resources, such as water and oxygen, in relatively close proximity to Earth to help sustain deep space exploration.

For more information on the call for proposals, please go to:
https://nspires.nasaprs.com/external/solicitations/summary!init.do?solId={2D390C4D-39F9-E880-34C8-C07DC523698E}&path=open

For more information on NASA’s Exploration program, please go to:
https://www.nasa.gov/topics/moon-to-mars

Related links:

Moon to Mars: https://www.nasa.gov/feature/nasa-outlines-new-lunar-science-human-exploration-missions

Lunar Orbital Platform-Gateway: https://www.nasa.gov/topics/moon-to-mars/lunar-outpost

Lunar payload delivery services: https://www.nasa.gov/feature/nasa-commercial-partners-key-to-sustainable-moon-presence

Image, Animation, Text, Credits:  NASA/Tricia Talbert.

Greetings, Orbiter.ch

mercredi 17 octobre 2018

Three Station Crew Explores Space Science After Hague Interview













ISS - Expedition 57 Mission patch.

October 17, 2018

The three Expedition 57 crew members living aboard the International Space Station today explored a variety of phenomena impacted by exposure to microgravity. In Houston, NASA astronaut Nick Hague talked about his Soyuz contingency landing after last week’s failed ascent to orbit.

Flight Engineer Serena Auñón-Chancellor started Wednesday morning relocating samples collected from biology experiments into a Kibo lab module science freezer. The NASA astronaut then spent the rest of the day researching how to grow protein crystals real-time on the space station.


Image above: The three Expedition 57 crew members are gathered inside the cupola, the International Space Station’s “window to the world,” for a portrait wearing t-shirts displaying their home in space. From left are Sergey Prokopyev of Roscosmos, Serena Auñón-Chancellor of NASA and Alexander Gerst of ESA (European Space Agency). The space station was orbiting nearly 253 miles above the Solomon Islands in the South Pacific Ocean. Image Credit: NASA.

The commander, Alexander Gerst of ESA (European Space Agency), put on his plumber’s cap in the morning for maintenance on the orbital lab’s toilet. The German astronaut then spent the afternoon working on gear inside the Destiny lab module before updating a warning procedures book.

In the Russian segment of the orbital lab, cosmonaut Sergey Prokopyev split his time between physics and human research. The flight engineer started the day exploring how forces such as exercising or spacecraft dockings impact the station’s structure. He then participated in a study observing interactions between a space crew and Mission Control in Moscow.

Uncrewed Japanese Vehicle Delivers Supplies to the Space Station

Image above: Viewed from a window inside the cupola, the International Space Station's "window to the world," the Japanese Exploration Agency's H-II Transfer Vehicle-7 rendezvoused with the orbital complex after launching from the Tanegashima Space Center. At the time this image was taken on Oct. 11, 2018, the station was flying at an altitude of about 257 miles off the coast of Canada above the Gulf of St. Lawrence. Image Credit: NASA.

Finally, Hague talked to reporters and answered social media questions on Monday in Houston about his aborted mission to the station. The interviews and question and answer session was broadcast live on NASA TV and Facebook Live. The replay can also be seen on YouTube: https://youtu.be/pO8Mtq5eT2w

Related links:

Expedition 57: https://www.nasa.gov/mission_pages/station/expeditions/expedition57/index.html

Grow protein crystals real-time: https://www.nasa.gov/mission_pages/station/research/experiments/explorer/Investigation.html?#id=7729

Forces: https://www.nasa.gov/mission_pages/station/research/experiments/explorer/Investigation.html?#id=467

Facebook Live: https://www.facebook.com/ISS/videos/484598135399989/

Space Station Research and Technology: https://www.nasa.gov/mission_pages/station/research/index.html

International Space Station (ISS): https://www.nasa.gov/mission_pages/station/main/index.html

Images (mentioned), Text, Credits: NASA/Mark Garcia/Yvette Smith.

Best regards, Orbiter.ch

Magnetic Fields May Be the Key to Black Hole Activity













NASA & DLR - SOFIA Mission patch.

Oct. 17, 2018


Parallel jets provide astronomers with some of the most powerful evidence that a supermassive black hole lurks in the heart of most galaxies. Some of these black holes appear to be active, gobbling up material from their surroundings and launching jets at ultra-high speeds, while others are quiescent, even dormant.

Recent observations from SOFIA, the Stratospheric Observatory for Infrared Astronomy, are shedding light on this question. SOFIA data indicate that magnetic fields are trapping and confining dust near the center of the active galaxy, Cygnus A, and feeding material onto the supermassive black hole at its center.

This artist’s conception of the core of Cygnus A shows the dusty donut-shaped surroundings, called a torus, and jets launching from its center. Magnetic fields are illustrated trapping the dust in the torus. These magnetic fields could be helping power the black hole hidden in the galaxy’s core by confining the dust in the torus and keeping it close enough to be gobbled up by the hungry black hole.

SOFIA: http://www.nasa.gov/mission_pages/SOFIA/index.html

Image, Text, Credits: NASA/Yvette Smith/SOFIA/Lynette Cook.

Greetings, Orbiter.ch

Largest Galaxy Proto-Supercluster Found













ESO - European Southern Observatory logo.

17 October 2018

Astronomers using ESO’s Very Large Telescope uncover a cosmic titan lurking in the early Universe

The Hyperion Proto-Supercluster

An international team of astronomers using the VIMOS instrument of ESO’s Very Large Telescope have uncovered a titanic structure in the early Universe. This galaxy proto-supercluster — which they nickname Hyperion — was unveiled by new measurements and a complex examination of archive data. This is the largest and most massive structure yet found at such a remote time and distance — merely 2 billion years after the Big Bang.

A team of astronomers, led by Olga Cucciati of Istituto Nazionale di Astrofisica (INAF) Bologna, have used the VIMOS instrument on ESO’s Very Large Telescope (VLT) to identify a gigantic proto-supercluster of galaxies forming in the early Universe, just 2.3 billion years after the Big Bang. This structure, which the researchers nicknamed Hyperion, is the largest and most massive structure to be found so early in the formation of the Universe [1]. The enormous mass of the proto-supercluster is calculated to be more than one million billion times that of the Sun. This titanic mass is similar to that of the largest structures observed in the Universe today, but finding such a massive object in the early Universe surprised astronomers.

Comparison of the Hyperion Proto-Supercluster and a standard massive galaxy cluster

“This is the first time that such a large structure has been identified at such a high redshift, just over 2 billion years after the Big Bang,” explained the first author of the discovery paper, Olga Cucciati [2]. “Normally these kinds of structures are known at lower redshifts, which means when the Universe has had much more time to evolve and construct such huge things. It was a surprise to see something this evolved when the Universe was relatively young!”

Located in the COSMOS field in the constellation of Sextans (The Sextant), Hyperion was identified by analysing the vast amount of data obtained from the VIMOS Ultra-deep Survey led by Olivier Le Fèvre (Aix-Marseille Université, CNRS, CNES). The VIMOS Ultra-Deep Survey provides an unprecedented 3D map of the distribution of over 10 000 galaxies in the distant Universe.

Wide-field view of the COSMOS field

The team found that Hyperion has a very complex structure, containing at least 7 high-density regions connected by filaments of galaxies, and its size is comparable to nearby superclusters, though it has a very different structure.

“Superclusters closer to Earth tend to a much more concentrated distribution of mass with clear structural features,” explains Brian Lemaux, an astronomer from University of California, Davis and LAM, and a co-leader of the team behind this result. “But in Hyperion, the mass is distributed much more uniformly in a series of connected blobs, populated by loose associations of galaxies.”

This contrast is most likely due to the fact that nearby superclusters have had billions of years for gravity to gather matter together into denser regions — a process that has been acting for far less time in the much younger Hyperion.

The Hyperion Proto-Supercluster

Given its size so early in the history of the Universe, Hyperion is expected to evolve into something similar to the immense structures in the local Universe such as the superclusters making up the Sloan Great Wall or the Virgo Supercluster that contains our own galaxy, the Milky Way. “Understanding Hyperion and how it compares to similar recent structures can give insights into how the Universe developed in the past and will evolve into the future, and allows us the opportunity to challenge some models of supercluster formation,” concluded Cucciati. “Unearthing this cosmic titan helps uncover the history of these large-scale structures.”

Notes:

[1] The moniker Hyperion was chosen after a Titan from Greek mythology, due to the immense size and mass of the proto-supercluster. The inspiration for this mythological nomenclature comes from a previously discovered proto-cluster found within Hyperion and named Colossus. The individual areas of high density in Hyperion have been assigned mythological names, such as Theia, Eos, Selene and Helios, the latter being depicted in the ancient statue of the Colossus of Rhodes.

The titanic mass of Hyperion, one million billion times that of the Sun, is 1015 solar masses in scientific notation.

[2] Light reaching Earth from extremely distant galaxies took a long time to travel, giving us a window into the past when the Universe was much younger. This wavelength of this light has been stretched by the expansion of the Universe over its journey, an effect known as cosmological redshift. More distant, older objects have a correspondingly larger redshift, leading astronomers to often use redshift and age interchangeably. Hyperion’s redshift of 2.45 means that astronomers observed the proto-supercluster as it was 2.3 billion years after the Big Bang.

More information:

This research is published in the paper “The progeny of a Cosmic Titan: a massive multi-component proto-supercluster in formation at z=2.45 in VUDS”, which will appear in the journal Astronomy & Astrophysics.

The team behind this result was composed of O. Cucciati (INAF-OAS Bologna, Italy), B. C. Lemaux (University of California, Davis, USA and LAM - Aix Marseille Université, CNRS, CNES, France), G. Zamorani (INAF-OAS Bologna, Italy), O.Le Fèvre (LAM - Aix Marseille Université, CNRS, CNES, France), L. A. M. Tasca (LAM - Aix Marseille Université, CNRS, CNES, France), N. P. Hathi (Space Telescope Science Institute, Baltimore, USA), K-G. Lee (Kavli IPMU (WPI), The University of Tokyo, Japan, & Lawrence Berkeley National Laboratory, USA), S. Bardelli (INAF-OAS Bologna, Italy), P. Cassata (University of Padova, Italy), B. Garilli (INAF–IASF Milano, Italy), V. Le Brun (LAM - Aix Marseille Université, CNRS, CNES, France), D. Maccagni (INAF–IASF Milano, Italy), L. Pentericci (INAF–Osservatorio Astronomico di Roma, Italy), R. Thomas (European Southern Observatory, Vitacura, Chile), E. Vanzella (INAF-OAS Bologna, Italy), E. Zucca (INAF-OAS Bologna, Italy), L. M. Lubin (University of California, Davis, USA), R. Amorin (Kavli Institute for Cosmology & Cavendish Laboratory, University of Cambridge, UK), L. P. Cassarà (INAF–IASF Milano, Italy), A. Cimatti (University of Bologna & INAF-OAS Bologna, Italy), M. Talia (University of Bologna, Italy), D. Vergani (INAF-OAS Bologna, Italy), A. Koekemoer (Space Telescope Science Institute, Baltimore, USA), J. Pforr (ESA ESTEC, the Netherlands), and M. Salvato (Max-Planck-Institut für Extraterrestrische Physik, Garching bei München, Germany)

ESO is the foremost intergovernmental astronomy organisation in Europe and the world’s most productive ground-based astronomical observatory by far. It has 16 Member States: Austria, Belgium, the Czech Republic, Denmark, France, Finland, Germany, Ireland, Italy, the Netherlands, Poland, Portugal, Spain, Sweden, Switzerland and the United Kingdom, along with the host state of Chile and with Australia as a strategic partner. ESO carries out an ambitious programme focused on the design, construction and operation of powerful ground-based observing facilities enabling astronomers to make important scientific discoveries. ESO also plays a leading role in promoting and organising cooperation in astronomical research. ESO operates three unique world-class observing sites in Chile: La Silla, Paranal and Chajnantor. At Paranal, ESO operates the Very Large Telescope and its world-leading Very Large Telescope Interferometer as well as two survey telescopes, VISTA working in the infrared and the visible-light VLT Survey Telescope. ESO is also a major partner in two facilities on Chajnantor, APEX and ALMA, the largest astronomical project in existence. And on Cerro Armazones, close to Paranal, ESO is building the 39-metre Extremely Large Telescope, the ELT, which will become “the world’s biggest eye on the sky”.

Links:

ESOcast 179 Light: Largest Galaxy Proto-Supercluster Found: https://www.eso.org/public/videos/eso1833a/

Research paper: http://www.eso.org/public/archives/releases/sciencepapers/eso1833/eso1833a.pdf

The VIMOS Ultra Deep Survey description: http://www.eso.org/public/archives/releases/pdf/eso1833a.pdf

Images of the VLT: https://www.eso.org/public/images/archive/search/?adv=&subject_name=Very%20Large%20Telescope

ESO’s Very Large Telescope (VLT): https://www.eso.org/public/teles-instr/paranal-observatory/vlt/

Istituto Nazionale di Astrofisica (INAF): http://www.inaf.it/en

VIMOS Ultra-deep Survey: https://cesam.lam.fr/vuds/

Images, Text, Credits: ESO/L. Calçada & Olga Cucciati et al./Digitized Sky Survey 2. Acknowledgement: Davide De Martin/Video: ESO/L. Calçada & Olga Cucciati et al.

Greetings, Orbiter.ch

Installing life support the hands-free way

ESA & DLR - ISS Columbus Module patch.

17 October 2018

Last week saw the installation of ESA’s next-generation life-support system on the International Space Station. The new facility recycles carbon dioxide in the air into water that can then be converted into oxygen reducing supplies sent from Earth by half.

Installing the life support rack in NASA’s Destiny laboratory is no easy task as the facility is larger than a human being and weighs over 650 kg on Earth. In addition many cables and pipes need to be connected to the Station’s infrastructure – including a pipe that vents waste methane from the recycling process directly into space.

Hands on the life support system

ESA astronaut Alexander Gerst set up the air and water drawer of the facility, including part of the Sabatier reactor on 10 September but was given an extra helping hand from ground control with an operational aid called the ‘mobile procedure viewer’ or mobiPV.

Usually an astronaut would have a computer nearby with step-by-step instructions to follow, but anybody who has tried repairing their car or even assembling furniture will agree this way of working has room for improvement – laying down tools to consult instructions is time-consuming and interrupts the work flow.

ESA’s solution to this problem sees astronauts wearing a smartphone on their wrist that connects to the Space Station’s procedure library and shows the instructions on-screen. Alexander could concentrate on the work at hand, without going back and forth to the computer.

A helping hand

Three sites in Germany were all connected and had full awareness of the installation as Alexander progressed step-by-step: the Columbus Control Centre near Munich, the European Astronaut Centre near Cologne and the facilities’ manufacturer Airbus in Friedrichshafen.

The mobile procedure viewer might seem simple but space operations allow little room for error and overcome technological challenges.

As the Space Station orbits Earth it loses radio contact for periods of up to eight minutes at a time. Alexander continued working during the periodic loss of signal but once communications were reestablished, mobiPV automatically and quickly brought all four teams up to speed.

Installing Advanced Close Loop System

Alexander worked efficiently with support from experts on ground throughout installation commenting during the experiment: “Great work to the whole development team. I did the whole procedure off mobiPV and it worked even better than I expected.”

David Martínez, lead ESA engineer for MobiPV comments "It was a great day to see our product work so well to help an astronaut install such complex hardware in space, making his life easier and also doing our part for future exploration."

As humans venture farther from Earth such as to a lunar gateway, life-support and communication with ground control will only become more challenging but last week’s operations on the Space Station are paving the way for exploration of our Solar System where greater autonomy and hands-free operations are important for planetary operations

Related links:

Human Spaceflight: http://www.esa.int/Our_Activities/Human_Spaceflight

Experiment archive: http://eea.spaceflight.esa.int/

European space laboratory Columbus: http://www.esa.int/Our_Activities/Human_Spaceflight/Columbus

International Space Station Benefits for Humanity: http://www.esa.int/Our_Activities/Human_Spaceflight/International_Space_Station_Benefits_for_Humanity

Images, Text, Credits: ESA/NASA.

Best regards, Orbiter.ch