ESA astronaut Alexander Gerst during his 2018 stay on the International Space Station, with two floating SPHERES robots tethered to a container of liquid, serving to simulate the experience of pulling a derelict satellite ...
Space Exploration
Aug 19, 2020
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Space is getting crowded. Aging satellites and space debris crowd low-Earth orbit, and launching new satellites adds to the collision risk. The most effective way to solve the space junk problem, according to a new study, ...
Space Exploration
May 25, 2020
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With hundreds of satellites launched every year, in-space collisions and the creation of fast-moving fragments of space debris—or 'space junk'—are becoming increasingly likely, threatening our continued human and technological ...
Space Exploration
May 8, 2020
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Developing new propellants for satellites to replace toxic hydrazine would make launching and handling satellites safer but it also requires disrupting current systems, according to researchers.
Space Exploration
Mar 30, 2020
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Two decommissioned satellites sped past each other Wednesday after experts had warned they may collide at a combined speed of 33,000 miles (53,000 kilometers) an hour, sending thousands of pieces of debris hurtling through ...
Space Exploration
Jan 29, 2020
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Current levels of space activity may not be sustainable, even without the introduction of so-called 'mega-constellations,' a new study from the University of Southampton has shown.
Space Exploration
Dec 4, 2019
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101
The internet of space is here. SpaceX founder Elon Musk tweeted this week using a connection provided by the first satellites in his high-speed Starlink constellation, which one day could include... 42,000 mini-satellites.
Space Exploration
Oct 27, 2019
23
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Universidad Carlos III de Madrid (UC3M) coordinates a European research project, called E.T.PACK, whose objective is the development of a new system for deorbiting space satellites without using on board power and fuel. For ...
Space Exploration
Jun 12, 2019
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10
Every minute, ESA's Earth observation satellites gather dozens of gigabytes of data about our planet—enough information to fill the pages on a 100-metre long bookshelf. Flying in low-Earth orbits, these spacecraft are continuously ...
Space Exploration
May 17, 2019
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The World Economic Forum has announced the introduction of a Space Sustainability Rating (SSR) system to help tackle the problem of space traffic and congestion in the Earth's orbit. The announcement of the SSR and the participating ...
Space Exploration
May 7, 2019
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