Green Comet Not Seen Since Stone Age Reappears Above Earth
Images reveal subtle green glow that is thought to result from the presence of diatomic carbon
View Source | January 23, 2023 6:50 pm
- Comet C/2022 E3 is going to make its closest approach to Earth next Wednesday and Thursday.
- The exotic green comet was calculated to orbit the sun every 50,000 years, meaning it last passed by the Earth during the time of the Neanderthals.
- In dark, rural areas, the comet has recently become bright enough to spot with the naked eye.
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