Hubble Telescope Photographs Seven Objects Traveling In Pairs Beyond Pluto © 2002 by Linda Moulton Howe This NASA composite picture shows the apparent orbit in blue of one member of a pair of Kuiper Belt Objects (KBOs) known as WW31. The six fainter points of light are Hubble photographs of WW31 as it moved relative to another object which is the larger, brighter light. The two objects revolve around a common center of gravity, like a pair of waltzing skaters. Astronomers assembled this picture from six separate Hubble Telescope exposures taken from July to September 2001, December 2001 and January...