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comet, 3I and ATLAS

Astronomers say new interstellar visitor 3I/ATLAS is 'very likely to be the oldest comet we have ever seen'

I/ATLAS isn't just fascinating because it is the third interstellar visitor found in the solar system; new research suggests it's also the oldest comet ever seen, at over 7 billion years old.

Mashable on MSN · 1d

Astronomers think newly discovered comet may be way older than the sun

The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the constellation Sagittarius and is about 300 million miles from Earth right now.

BBC · 1d

3I/ATLAS Could Be Oldest Comet Ever Seen

It is only the third time astronomers have detected an object beyond our solar system

16don MSN

Astronomers make groundbreaking discovery about largest comet ever observed flying through deep space

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

Space.com23d

Astronomers discover the largest comet from the outskirts of the solar system is exploding with jets of gas

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be ...

ScienceAlert on MSN18d

Record-Sized Comet Seen Belching Jets From Surface as It Heads Our Way

On March 8, ALMA spotted a pair of jets blasting out of the comet's nucleus – its solid icy core. Spectrometry revealed that ...

Mysterious Manhattan-sized interstellar comet spotted blasting through solar system: NASA

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

Mercury News8mon

There’s still time to see a spectacular comet, before it’s gone ...

Comet Kohoutek, which offered a glimpse in 1973, broke up while passing too close to the sun. In 2013, Comet Ison was broken up by the sun’s intense heat and gravity. But Comet C/2023 A3 ...

9don MSN

Rare object from another star spotted zipping around our solar system

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...

CNN2mon

Comet SWAN: How to spot its remnants before it disappears | CNN

This illustration was obtained by Reuters on April 16, 2025. A. ... A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.

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