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companion star
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Isro-Nasa project finds black hole that spins near max possible rate
By Snehal Fernandes | Hindustan Times, Mumbai
PUBLISHED ON OCT 28, 2018 06:20 PM IST
The findings are significant, said researchers, because so far, high spin rates of only about five black holes have been quantified accurately

NASA’s Hubble captured first image of surviving companion to supernova
By Indo Asian News Service | Indo Asian News Service, Washington
UPDATED ON APR 27, 2018 11:33 AM IST
It is a compelling evidence that some supernovas originate in double-star systems.