NASA’s DART mission begins!
NS SpaceX Falcon 9 rocket transport NASAThe Double Asteroid Redirection Test (DART) spacecraft was launched from Space Launch Complex 4 at Vandenberg Air Force Base in California. The launch time was 10:21 PST on November 23 (1:21 am on November 24). DART will soon sail for a rendezvous with an asteroid.
DART launch and separation event
A series of events occur after startup. The SpaceX Falcon 9 rocket’s first stage main engine will shut down and be separated from the second stage. The second stage ignites, and about 3 minutes after the lift-off, the payload fairing dumping from the DART spacecraft continues. The second stage is interrupted and resumed after a few minutes to place the satellite in the proper orbit. After about 1 minute, the second stage cuts off and DART separates from the second stage.
NASA’s DART spacecraft moves on its own
NASA’s Double Asteroid Redirection Test (DART) spacecraft is separated from the second stage of Falcon 9 and is flying alone.
NASA’s first flight mission for planetary defense, the Double Asteroid Redirection Test (DART), seeks to test and verify how to protect the Earth in the event of an asteroid collision threat. The DART mission aims to shift the orbit of an asteroid by dynamic impact. Specifically, by crushing the spacecraft into smaller members of the binary asteroid system Didymos.
The Didymos asteroid system consists of Dimorphos and its small orbiting lunar Dimorphos. In 2022, DART collides with the latter, a boulder about 160 meters (525 feet) in diameter, changing the orbital period around Didymos by about 10 minutes.
Scientists can use ground-based telescope observations before and after a collision to compare the paths of Dimorphos around Dimorphos to determine how much the orbit has changed.
NASA’s DART mission to redirect launched asteroids – spacecraft move on their own
https://scitechdaily.com/nasas-dart-mission-to-redirect-an-asteroid-launched-spacecraft-traveling-on-its-own/ NASA’s DART mission to redirect launched asteroids – spacecraft move on their own