From Stars to Planets: The Loners - Jeno Marz
The word planet means “wanderer”; the Greeks called them planētēs aster, “wandering stars”. Indeed planets travel on their orbits, wandering around their stars for millions and billions of years. Stars move along their paths in galaxies, wandering, until the end of their time. Some objects, however, do not follow this familiar pattern. These objects include...
Post to Tumblr