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Bright comet Tsuchinshan-ATLAS could be visible without a …
In Photos: Bright New Comet Captured By Astronauts And …
A comet may become visible to the unaided eye in the coming …
A comet approaching Earth could become brighter than the stars …
New comet makes historically close approach to Earth today, but ...
Newly discovered green comet comes close to Earth - BBC
Nishimura green comet: what is it, how to see it and when it will …
Green comet will appear in the night sky for the first time since …
A comet not seen in 50,000 years is coming. Here's what we know - Space.com
Newly discovered green comet comes close to Earth - BBC News