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This is what the asteroid that NASA flew a spacecraft directly into looks like now

Home> News

Updated 21:20 4 Oct 2022 GMT+1Published 21:19 4 Oct 2022 GMT+1

This is what the asteroid that NASA flew a spacecraft directly into looks like now

The asteroid now has a comet-like tail stretching thousands of miles

Claire Reid

Claire Reid

The asteroid that got whacked by a NASA spacecraft has taken on a very different look, as it’s now being trailed by thousands of miles of debris. 

In case you missed it, on 26 September, NASA deliberately crashed its Double Asteroid Redirection Test (DART) spacecraft intentionally crashed into Dimorphos - an asteroid moonlet - in the first ever test of planetary defence.

Fast-forward to yesterday, and astronomers were able to capture an incredible image of how Dimorphos looks now using the Southern Astrophysical Research Telescope (SOAR) in Chile. 

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Check it out:

This is how the asteroid looks now.
NOIRLab

The image shows a lengthy comet-type trail, which stretches more than 6,000 miles (10,000 kilometres), and consists of dust and other material flung from the asteroid’s impact crater. 

Experts believe the tail will get even longer and slowly disperse until it eventually becomes undetectable. 

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Matthew Knight of the U.S. Naval Research Laboratory, who made the observation along with Lowell Observatory’s Teddy Kareta, told the Associated Press: “At that point, the material will be like any other dust floating around the solar system.”

More observations are planned so scientists can determine how much and what kind of debris was hurled from the asteroid. 

In a press release from NOIRLab, the organisation that controls the SOAR telescope, Kareta said: “It is amazing how clearly we were able to capture the structure and extent of the aftermath in the days following the impact.

“Now begins the next phase of work for the DART team as they analyse their data and observations by our team and other observers around the world who shared in studying this exciting event.

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Illustration of NASA’s DART spacecraft and the Italian Space Agency’s (ASI) LICIACube prior to impact at the Didymos binary system.
NASA/Johns Hopkins APL/Steve Gribben

"We plan to use SOAR to monitor the ejecta in the coming weeks and months. The combination of SOAR and AEON is just what we need for efficient follow-up of evolving events like this one.”

NASA fired the DART at speeds of more than 24,000km/h as a world-first test to see if scientists can potentially stop cosmic objects from heading for Earth with disastrous impacts.

Speaking to reporters last week ahead of the mission, Lindley Johnson, a planetary defence officer for NASA, said: "This is an exciting time, not only for the agency, but in space history and in the history of humankind quite frankly."

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While the test did appear to be a bit like something out of Deep Impact, there was, of course, very sound scientific reasoning behind it.

Johns Hopkins Applied Physics Laboratory Planetary astronomer Andy Rivkin explained: "The point of a kinetic impactor is you ram your spacecraft into the asteroid you're worried about, and then you change its orbit around the sun by doing that."

If you have a story you want to tell, send it to UNILAD via [email protected] 

Featured Image Credit: @noirlabastro/Twitter

Topics: NASA, Space

Claire Reid
Claire Reid

Claire is a journalist at UNILAD who, after dossing around for a few years, went to Liverpool John Moores University. She graduated with a degree in Journalism and a whole load of debt. When not writing words in exchange for money she is usually at home watching serial killer documentaries surrounded by cats.

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