![]() It will see if the impact crater left by DART on Dimorphos (which it will get to within 200 meters of) has altered the trajectory of Didymos. Hera will take a close look at both Didymos and Dimorphos using lasers, a star-tracker, a thermal infrared camera and accelerometers. The European Space Agency’s “Hera” follow-up mission-due to launch in 2024 and arrive in early January 2027-is an asteroid rendezvous spacecraft designed to go see if DART worked. However, another space agency is sending another spacecraft to double-check. “After impact, we will use some of the same techniques, to determine how much Dimorphos has moved and ultimately, how successful we were.” Get the latest updates on NASA missions, watch NASA TV live, and learn about our quest to reveal the unknown and benefit all humankind. “Thanks to the worldwide effort of observing this system from ground-based telescopes, we know what it looks like before the impact,” said Moskovitz. brings you the latest images, videos and news from Americas space agency. ![]() In October a bunch of ground-based telescopes around the world will be used to calculate Dimorphos’ new orbit. Get the CNET Now newsletter If you subscribe to only one CNET newsletter, this is it. PT, but thats been delayed because of cloud cover. “We don’t want to, at the last minute, say, ‘Oh, here’s something we hadn’t thought about or phenomena we hadn’t considered.’ We want to be sure that any change we see is entirely due to what DART did.” The feed was scheduled to go live at 11:15 a.m. “The before-and-after nature of this experiment requires exquisite knowledge of the asteroid system before we do anything to it,” said Nick Moskovitz, an astronomer with Lowell Observatory in Flagstaff, Arizona and co-lead of an observation campaign conducted in July 2022. So a lot of time has been spent getting to know the binary asteroids in detail. ![]() The DART Investigation Team has highly detailed computer simulations of kinetic impacts on asteroids, but it has no direct evidence of what would actually happen. Scientists used this and other observations from the July campaign to confirm Dimorphos’ orbit and anticipated location at the time of DART’s impact. The sequence is sped up by about 900 times. sequence in which the asteroid Didymos, located near the center of the screen, moves across the night sky. Astronomers are tracking a potentially hazardous asteroid called 7482 (1994 PC1) through the sky on Tuesday this week as its set to make a relatively close pass by our planetand you can watch. On the night of July 7, 2022, the Lowell Discovery Telescope near Flagstaff, Arizona captured this.
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