Rare green comet Nishimura, unseen for 400 years, set to pass by Earth - WKRC TV Cincinnati
- Rare green comet Nishimura, unseen for 400 years, set to pass by Earth WKRC TV Cincinnati
- Green comet to streak across Earth skies for first time in centuries Fox News
- Catch this rare green comet before it vanishes for 400 years Times of India
- Newly Discovered Comet Won't Return for 400 Years VOA Learning English
- Comet Nishimura to light up night sky this weekend — Heres how you can watch it The News International
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