This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...
On March 6, 1986, the Soviet Union's Vega 1 spacecraft flew by Halley's Comet. Vega 1 was the first of five missions to fly ...
The green-tinged Comet Nishimura is zipping past Earth, and you have a few days to grab what could be a one-time-only chance to spot it — with a little know-how. Comet Nishimura, named after the ...
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