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Euclid electromagnetic compatibility tests successful
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By European Space Agency
A newly devised procedure to de-ice Euclid's optics has performed significantly better than hoped. Light coming in to the visible ‘VIS’ instrument from distant stars was gradually decreasing due small amounts of water ice building up on its optics. Mission teams spent months devising a procedure to heat up individual mirrors in the instrument’s complex optical system, without interfering with the finely tuned mission’s calibration or potentially causing further contamination. After the very first mirror was warmed by just 34 degrees, Euclid's sight was restored.
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By European Space Agency
A few layers of water ice – the width of a strand of DNA – are starting to impact Euclid’s vision; a common issue for spacecraft in the freezing cold of space, but a potential problem for this highly sensitive mission that requires remarkable precision to investigate the nature of the dark Universe. After months of research, Euclid teams across Europe are now testing a newly designed procedure to de-ice the mission's optics. If successful, the operations will validate the mission teams’ plan to keep Euclid’s optical system as ice-free as possible for the rest of its life in orbit.
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By European Space Agency
Today, ESA’s space telescope Euclid begins its survey of the dark Universe. Over the next six years, Euclid will observe billions of galaxies across 10 billion years of cosmic history. Learn how the team prepared Euclid in the months after launch for this gigantic cosmic quest.
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By NASA
A key NASA design milestone was recently completed by Collins Aerospace as the company works to develop a next-generation spacesuit for use on the International Space Station.
The milestone – a pressure garment system fit and functionality test in a microgravity-like environment – marked an important step toward developing a suit for NASA that can be used for continuing operations and advancing scientific discovery in low Earth orbit.
The agency selected Collins to develop a new spacesuit that can replace the current space station spacesuit, known technically as an extravehicular mobility unit, which has been worn by astronauts to assemble and maintain the space station for over two decades.
The Collins test was conducted aboard a commercial microgravity aircraft to provide brief periods of weightlessness. During a parabolic flight, a pilot creates weightless conditions for around 20 seconds at a time by conducting a series of roller-coaster-like maneuvers. This allows engineers, scientists, and students to test hardware and conduct scientific experiments in a space-like gravity environment without ever going into space.
Collins Aerospace completed a key NASA design milestone on the company’s next-generation spacesuit for use on the International Space Station. The test was conducted aboard a commercial zero-gravity aircraft where Collins performed a pressure garment system fit and functionality test in a microgravity environment.Collins Aerospace Collins Aerospace’s chief test astronaut John “Danny” Olivas demonstrates a series of tasks during testing of Collins’ next-generation spacesuit while aboard a zero-gravity aircraft. Collins Aerospace Collins Aerospace’s chief test astronaut John “Danny” Olivas demonstrates a series of tasks during testing of Collins’ next-generation spacesuit while aboard a zero-gravity aircraft. Collins Aerospace Collins Aerospace’s chief test astronaut John “Danny” Olivas demonstrates a series of tasks during testing of Collins’ next-generation spacesuit while aboard a zero-gravity aircraft. Collins Aerospace The test was a key step in NASA’s preliminary design review process, one of a series of checkpoints in the project’s design lifecycle, that ensures the design meets all system requirements before manufacturing of flight-ready units can begin.
Collins will continue testing its spacesuit in a vacuum chamber, where air will be removed to create a vacuum to see how the spacesuit performs in a space-like atmosphere, as well as at the agency’s Neutral Buoyancy Laboratory, a 40-foot deep pool at NASA’s Johnson Space Center in Houston, that simulates a microgravity environment for astronaut spacewalk training.
This next-generation spacesuit is designed to advance NASA’s spacewalking capabilities in low Earth orbit. It is being developed to support station maintenance and operations as NASA and its international partners continue carrying out scientific research that benefits humanity and demonstrates new technologies for future human and robotic missions.
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