Deep-Space Photos: Hubble's Greatest Hits

The Hubble Space Telescope is completing its 22nd year in space
NASA / ESA

Pas de Deux
A delicate cosmic dance is taking place between two galaxies known together as ARP 273. The larger galaxy is an off-kilter spiral, suggesting that the smaller one has actually passed through it. Given the titanic forces that can be released when galaxies merge, these two are lucky to be in the healthy shape they are.

Get the Latest Photos from Time.com
Get TIME photos and pictures of the week delivered directly to your inbox.