Telescope

NASA tests giant 21-foot mirror on James Webb telescope for the first time in simulated zero-gravity

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NASA tests giant 21-foot mirror on James Webb telescope for the first time in simulated zero-gravity as it tries to find a successor to the Hubble NASA tested the giant mirror attached to its nascent James Webb telescope It simulated the zero-gravity conditions it will encounter in space The craft, however, will still likely not … Read more

NASA’s Hubble Space Telescope spots an elusive giant black hole

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An elusive mid-sized black hole that was tearing apart a wayward star has been spotted by astronomers using the Hubble Space Telescope. A team of astronomers found the stellar object – known as an ‘intermediate-mass black hole’ – 740 million light-years away using Hubble and X-ray observatories.  Experts from the University of New Hampshire in … Read more