Planets of the Hainish Cycle third planet of our solar system. Terrans are descendents of colonists from Hain. At some unspecified date, Terrans join the "League of All Worlds", which includes the Cetians and other peoples of Hainish descent. In "The Left Hand of Darkness", it is said that 'Hainish Normal' people were placed among Terra's own proto-hominid autochthones by the ancient Hainish 'colonizers'. After that initial contact with Hainish civilization Terra experiences two more cycles of isolation followed by the restoration of extraterrestrial contact and community with other worlds. The second period of contact with the interstellar Hainish community is the background for "The
Stability of the Solar System it. Though they are not technically part of the solar system for the purposes of studying the system's intrinsic stability, they nevertheless can change the system. Unfortunately predicting the potential influences of these extrasolar objects is even more difficult than predicting the influences of objects within the system simply because of the sheer distances involved. Among the known objects with a potential to significantly impact the solar system is the star Gliese 710, which is expected to pass near the system in approximately 1.35 million years. Though the star is not expected to substantially affect the orbits of the major