Evropská jižní observatoř

Kategorie: Ilustrace, Zpět na celou fotogalerii.

Popis (v anglickém jazyce):

Artist’s impression of how the solar wind makes young asteroids look old. After undergoing a catastrophic collision, the colour of an asteroid gets modified rapidly by the solar wind so that it resembles the mean colour of extremely old asteroids. After the first million years, the surface “tans” much more slowly. At that stage, the colour depends more on composition than on age.

Odkaz na další informace na www.eso.org (stránka v AJ)