Use the article NASA first planetary defense technology demonstration to collide with Astro in 2022 in the video answer. The question behind the spacecraft is dart Astrid rhetorician test compared to the article which details emphasized in the video.

In the video, the question posed is about the spacecraft called DART (Double Asteroid Redirection Test) and how it compares to the details emphasized in the article. The video answers by providing information about NASA's first planetary defense technology demonstration, which involves colliding the DART spacecraft with a small asteroid called Didymos' moon, named Dideimos. This information aligns with the article's focus on NASA's plan to test the effectiveness of DART in redirecting potentially hazardous asteroids. The video emphasizes how DART will be used to change the momentum of the asteroid and steer it away from its path, highlighting the key aspect of the article which details the spacecraft's ability to modify the course of an asteroid.