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Green comet Nishimura has passed its closest point to Earth, and it won't be back for another 430 years
By Harry Baker published
The comet Nishimura, which was only discovered in August, will soon be slingshotted around the sun and back out toward the edge of the solar system where it will remain for centuries.

New 'potentially interstellar' comet will be visible to the naked eye next month before leaving our solar system forever
By Harry Baker published
Comet Nishimura has a hyperbolic orbit, which suggests that it may have come from outside the solar system and will likely be catapulted into interstellar space after slingshotting around the sun.

City-size comet headed toward Earth 'grows horns' after massive volcanic eruption
By Harry Baker published
The exploding comet, known as 12P/Pons–Brooks, is currently approaching its closest point to Earth during its 71-year orbit through the solar system.

In a 1st, scientists predicted that volcanic comet was due to pop 'like a Champagne bottle' — and it did
By Harry Baker published
Astronomers accurately predicted that the icy volcanic comet 29P would erupt after noticing changes in its brightness leading up to its latest explosion.

'Missing link' for Earth's water found around remote baby star
By Ben Turner published
Astronomers have spotted water that looks remarkably similar to our own in orbit around a young star 1,300 light years from Earth.

Bright new comet discovered zooming toward the sun could outshine the stars next year
By Stephanie Pappas published
The newly discovered comet C/2023 A3 is making a close approach around the sun for the first time in 80,000 years, and might be as bright as a star in fall 2024.

How to watch the rare green comet whiz past Earth tonight
By JoAnna Wendel published
Tonight (Feb. 1), the green comet C/2022 E3 ZTF will make its closest approach to Earth since the age of the Neanderthals. Here's how to view it.

Green comet C/2022 E3 will make its closest approach to Earth in 50,000 years this week. Here's how to watch.
By Brandon Specktor last updated
The green comet C/2022 E3 (ZTF) will make a close approach to Earth on Feb. 1/Feb. 2 before sailing off into deep space, possibly never to return.
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