NASA Science News for June 29, 2001
The word 'planet' comes from the Greek word 'wanderer,' but the planets in our solar system aren't true nomads. They stay close to home, always circling the Sun. This week scientists using the Hubble Space Telescope may have discovered a class of genuine planetary wanderers. It seems that mysterious objects smaller than Jupiter are running loose in globular cluster M22! Are they planets? No one knows, but astronomers are planning to find out.
FULL STORY and pictures at:
http://science.nasa.gov/headlines/y2001/ast29jun_1.htm?list521693