New images show an interstellar comet that will soon make its closest approach to Earth | NASA’…

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New images show an interstellar comet that will soon make its closest approach to Earth

The Hubble Space Telescope and the Jupiter Icy Moons Explorer have captured fresh images of an interstellar comet as the object nears its closest approach to Earth later this month.

Comet 3I/ATLAS has intrigued astronomers because it originated outside of our solar system yet was discovered traveling through our celestial neighborhood in July.

Given that it’s only the third interstellar object ever observed zipping through our solar system, astronomers have directed numerous missions to focus on the comet. Observations have been critical in helping scientists determine the object’s trajectory and have even provided clues about its composition — as a result of the gases that sublimated from the comet during its closest pass by the sun in October.

NASA’s Hubble Space Telescope Revisits Interstellar Comet

Cataloguing the journey of comet 3I/ATLAS through the solar system. Because the object comes from outside our solar system, it is just passing through – so we use all the tools at our disposal to observe it before it disappears back into the cosmic dark. A host of NASA missions are coming together to observe this interstellar object, which was first discovered in summer 2025, before it leaves forever. While the comet poses no threat to Earth, NASA’s space telescopes help support the agency's ongoing mission to find, track, and better understand solar system objects.

NASA’s Hubble Space Telescope reobserved interstellar comet 3I/ATLAS Nov. 30, with its Wide Field Camera 3 instrument. At the time, the comet was about 178 million miles (286 million kilometers) from Earth. Hubble tracked the comet as it moved across the sky. As a result, background stars appear as streaks of light.

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