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The images are expected to be the highest-resolution images of comet 3I/ATLAS yet, and even clearer than the Hubble Space Telescope’s comet snaps taken in July, the New York Post has reported.

When will NASA release images?

The U.S. government shutdown delayed the release of the images, but that’s now over, so they should be on their way. These images are expected to be some of the best yet, and will help researchers further understand the comets makeup and origins.

Everything you need to know about 3I/ATLAS

3I/ATLAS, which was first discovered in early July, is the third interstellar object ever found in our solar system. That means it doesn’t come from our cosmic neighbourhood, but from somewhere else in our Milky Way galaxy.

Where exactly in our galaxy the comet came from is unclear — scientists aren’t sure whether it came from the Milky Way’s ‘thin’ disk or its ‘thick’ disk — but depending on its origins it could be more than 7 billion years old, making it more than 3 billion years older than our sun. Tracing 3I/ATLAS’s origins is made even more challenging by its material, which has been transformed by billions of years of exposure to cosmic rays.

Telescope observations suggest the comet is roughly 7-mile-wide (11 kilometers) and zooming at more than 130,000 mph (210,000 km/h). Having passed perihelion, or the closest point to our sun, roughly two weeks ago, 3I/ATLAS is now zipping toward its closest point to Earth on Dec. 19.

The exotic comet has many peculiar properties, from its chemical composition to its large size. This, alongside radio signals coming from it that are typical of all comets, has fuelled a frenzy of speculation that the 3I/ATLAS is an alien probe.

That’s almost certainly not the case, but it doesn’t mean that astronomers aren’t excited to study it. Investigating the comet could yield fresh insights into the conditions around other stars, our early galaxy, and the vast frontier of interstellar space.

NASA set to share best images of comet 3I/ATLAS yet

The images were taken by the HiRISE camera aboard NASA’s Mars Reconnaissance Orbiter, and could have significantly better resolution than those by the Hubble Space Telescope on July 21, 2025.

We’re getting to work on what all of this could mean for the rapidly-brightened comet, which is roughly 7-miles (11 kilometers) wide, more than 7 billion years old, and traveling at 130,000 mph (210,000 km/h) as it sheds its highly-irradiated coma across our solar system.

In the meantime, check out this breathtaking shot of the 3I/ATLAS snapped by astrophotographer Satoru Murata over the weekend.