The First Telescope Images of DART's Impact are Starting to Arrive universetoday storybywill
“Something like this has never been done before, and we weren’t entirely sure what to expect,” said Marco Micheli, an Astronomer at the NEOCC. “It was an emotional moment for us as the footage came in.”
As you can see from the video , the asteroid immediately started brightening upon impact and was many times brighter within seconds. This indicated that the moonlet’s trajectory was altered, causing more sunlight to be reflected from its surface. Less than a minute after impact, a cloud of ejected material became visible as it drifted into the path of direct sunlight and began reflecting it. The time-lapse video shows what took place over roughly half an hour.
“This was the conclusion of weeks of discussions, meetings, accurate planning and observational design by our team, together with local observers and scientists at all our collaborating stations. This fantastic campaign has produced data that our astronomers, together with the whole DART collaboration, will now begin to analyse to extract valuable scientific information on the effects of the impact.
To determine how much the moonlet’s orbit has been altered, astronomers will measure its light curve over time using ground-based telescopes. Observations will also be made using space-based telescopes, including the venerable
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