Science, Maths & Technology
Exploring comets: A short introduction
...system before heading out to the cold comet-forming region, as well as traces of an amino acid – glycine – adding weight to the idea that comets could be source of the building blocks of life. Remarkably, the Stardust mother-ship was redirected to Tempel 1, the only comet to have been visited on two different occasions. In 2011 sent back pictures of the crater that...