Green comet Nishimura has passed its closest point to Earth, and it won't be back for another 430 years - Livescience.com
- Green comet Nishimura has passed its closest point to Earth, and it won't be back for another 430 years Livescience.com
- See Comet Nishimura's path around the sun in the orbit animation VideoFromSpace
- Green comet to pass across Earth skies for first time in centuries NewsNation Now
- Nishimura's long goodbye Astronomy Magazine
- View Full Coverage on Google News