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Comet that hasn't been seen since the Neanderthals is about to pass Earth again

Home> News

Updated 21:51 30 Dec 2022 GMTPublished 21:05 30 Dec 2022 GMT

Comet that hasn't been seen since the Neanderthals is about to pass Earth again

It last passed by Earth 50,000 years ago

Niamh Spence

Niamh Spence

A comet being described as a "cosmic snowball" will pass by Earth next year for the first time in 50,000 years.

The remarkable sight hasn't been seen since Neanderthals walked the planet, and astronomers are getting hugely excited for the unique comet to be seen again.

A comet will pass Earth for the first time in 50,000 years.
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The comet known as C/2022 E3 (ZTF) will make its closest approach to Earth on 1 February, 2023, nearly 12 months on from when scientists first discovered its existence.

Astronomers first spotted the comet's brighter greenish coma and a yellowy dust tail in March 2022, using a wide-field survey camera at the Zwicky Transient Facility.

At the moment, the comet is currently 117 million miles from Earth and it still has quite a journey to make before it will be at its brightest on 1 February.

The comet needs to reach the Sun, loop around and then head back past our planet.

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Astronomers believe we will be able to see the comet, known as C/2022 E3 (ZTF) as early as January 26.
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And for anyone keen to try and spot it in the sky, it could become visible when its roughly 26 million miles away, with its magnitude predicted to be +6.

Astronomers believe this comet might be the first one seen by the naked eye since the NEOWISE comet two years ago in July 2020.

But while the NEOWISE comet left a long, misty tail in the sky, this comet is most likely to appear as a grey streak across the night sky.

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It may be even possible to view it as early as January 26, but will be brighter and easier to see by 1 February.

The comet may also remain visible into the second week of February, but astronomers have predicted that by April, it will be close to the Sun in the sky and be significantly fainter, so will be very hard to find even with a telescope.

It could be the first comet seen to the naked eye since the NEOWISE comet in July 2020.
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Tania de Sales Marques, an astronomer at the Royal Observatory Greenwich in the United Kingdom, told Newsweek: "It's notoriously hard to predict the brightness of comets, however, sky watchers everywhere have been keeping track of Comet C/2022 E3 (ZTF) since it was discovered in March 2022, and the current prediction is that it might reach magnitude +6—the limit of what the naked eye can see—or even slightly brighter when it's at its closest approach to the Earth on the 1st of February."

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She added: "It's traveling in the general direction of Polaris, the North Star, where we'll be able to find it in early February. By then, it should be visible throughout the night."

This comet will be the first naked eye comet since stargazers were able to see NEOWISE in 2020.
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Robert Massey, deputy executive director of the U.K. Royal Astronomical Society, told keen comet gazers how to best see the comet E3. He recommended looking on a clear night from a dark site as the comet won't be the easiest object to find.

Also speaking to Newsweek, he advised: "Binoculars are ideal for beginners trying to find a comet as they're easy to use, whereas a telescope has a much smaller field of view. If you can see it with binoculars then try with your naked eye."

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Seeing as the comet won't be back again for another 50,000 years, this might be one of those once-in-a-lifetime chances to catch it, so best get your binoculars ready!

Featured Image Credit: Dan Bartlett/NBC

Topics: Science, World News

Niamh Spence
Niamh Spence

I am a freelance journalist, who writes and contributes to lifestyle and online titles. Previous work includes; The Telegraph, LadBible, Entertainment Daily, BBC, The Mirror, The Metro, Tyla.etc

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@missnspence

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