Tune in for NASA’s first planetary defense test

The DART spacecraft is prepared for launch.

Enlarge / The DART spacecraft is prepared for launch. (credit: NASA/Johns Hopkins APL/Ed Whitman)

Monday will see NASA’s first attempt at real-world testing of a technology that it hopes can protect the Earth from the dangers posed by impacts from large asteroids. The Double Asteroid Redirect Test, or DART, will smash a spacecraft into a small asteroid called Dimorphos at 7:14 pm US Eastern time in the expectation that the impact will alter Dimorphos’ orbit around the nearby large asteroid Didymos. If successful, then we can have some confidence that we can alter the orbit of small objects that pose a threat of colliding with Earth, sending them off into orbits where they no longer create a risk of catastrophic impact.

There are still things that can go wrong. As we detailed earlier, the camera on DART won’t even be able to resolve its target until under two hours prior to the collision, and the final trajectory to impact will be handled by its on-board software, rather than controllers on Earth.

NASA will be hosting pre- and post-impact briefings for the press, which Ars will be attending, so expect updates later today. One option if you want to watch for yourself is coverage on NASA TV, which will start at 6 pm US Eastern.

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Post Author: martin

Martin is an enthusiastic programmer, a webdeveloper and a young entrepreneur. He is intereted into computers for a long time. In the age of 10 he has programmed his first website and since then he has been working on web technologies until now. He is the Founder and Editor-in-Chief of BriefNews.eu and PCHealthBoost.info Online Magazines. His colleagues appreciate him as a passionate workhorse, a fan of new technologies, an eternal optimist and a dreamer, but especially the soul of the team for whom he can do anything in the world.

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