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comets

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comet

Science Aug 07

Hubble Space Telescope captures image of comet visiting from another solar system

By Marcia Dunn, Associated Press

Science Jul 03

3I_interstellar comet orbit
NASA says new interstellar comet it spotted will keep a safe distance from Earth

The newest visitor is 416 million miles from the sun, out near Jupiter, and heading this way at a blistering 37 miles per second. It's officially the third known interstellar object to pass through our solar system and poses no…

By Marcia Dunn, Associated Press

Science Apr 21

Boy looking through telescope
A green comet is fading fast after its trip around the sun

“We'll soon be left with just a dusty rubble pile.”…

By Adithi Ramakrishnan, Associated Press

Science Oct 12

A view shows Comet C/2023 A3 (Tsuchinshan-ATLAS), known as the comet of the century, photographed before dawn from Temisas...
Two comets from the spooky Oort Cloud are passing by our planet as Halloween approaches

The Oort Cloud’s residents may be a reason why life ignited on Earth; crashing on our planet eons ago, these ice bodies may have supplied at least some of the water that all life requires. At the same time, these…

By James Wray, The Conversation

Science Jan 27

Comet C/2022 E3 (ZTF)
Earth prepares for a close encounter with ‘Green Comet’ not seen since the Stone Age

A comet is streaking back our way after 50,000 years. NASA says the dirty snowball last visited during Neanderthal times. It will come within 26 million miles of Earth.

By Marcia Dunn, Associated Press

Dec 10

Rosetta spacecraft finds water on Earth didn’t come from comets

By Rebecca Jacobson, Inside Energy

Where did Earth's water come from? For years, scientists believed comets could have delivered it to Earth. But the Rosetta spacecraft revealed today that is not the case.

Continue reading

Oct 17

Watch
Tracking killer comets before they strike

By PBS News Hour

It's only a matter of time before a big comet or asteroid is on a collision course with Earth. Will scientists discover it, and be able to do something about it, ahead of time? Science correspondent Miles O'Brien talks to…

Continue watching

Aug 06

Watch
How Rosetta can help decipher a comet’s secrets

By PBS News Hour

After a 10-year journey, the space probe Rosetta is orbiting a comet. The spacecraft is slated to follow the comet for more than a year on its way toward the sun. Hari Sreenivasan talks to Mark McCaughrean, senior scientific advisor…

Continue watching

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