HubbleSite - NewsCenter - 'Dancing with the Stars' Takes on a Whole New Twist (10/30/2007) - Introduction

HubbleSite - NewsCenter - 'Dancing with the Stars' Takes on a Whole New Twist (10/30/2007) - Introduction
Two galaxies perform an intricate dance in this new Hubble Space Telescope image. The galaxies, containing a vast number of stars, swing past each other in a graceful performance choreographed by gravity. The pair, known collectively as Arp 87, is one of hundreds of interacting and merging galaxies known in our nearby universe.