The term STAR GROUP refers to four astronomical objects: Pleiades (8 letters), GALAXY (6 letters), LEO (3 letters), and Hyades (6 letters). The Pleiades, also known as the Seven Sisters, is an open star cluster located in the constellation of Taurus. It contains over 1, 000 stars and is visible to the naked eye. The GALAXY is a large collection of stars, gas, and dust held together by gravity. It is estimated to contain between 100 billion and 400 billion stars. LEO is a constellation located in the northern sky. It is one of the oldest constellations and is associated with the mythological figure of the lion. The Hyades is an open star cluster located in the constellation of Taurus. It contains several hundred stars and is visible to the naked eye. Together, these four objects form the STAR GROUP.