Hot on its heels is 2020 XR, which will make its closest approach on December 4 at 5:27 AM IST, passing just 2.4 million kilometers away. Slightly smaller than its predecessor, it spans between 290 ...
(THE CONVERSATION) The NASA project NEOWISE, which has given astronomers a detailed view of near-Earth objects – some of which could strike the Earth – ended its mission and burned on reentering the ...