Portal:Astronomy/Did you know/3


 * ... that the Lone Signal project sends messages by ordinary citizens to extraterrestrial civilizations using the Jamesburg Earth Station?
 * ... that 6Q0B44E, a recently discovered satellite of Earth, is thought to be a large piece of space debris?
 * ... that approximately one-third of nearby galaxies contain low-ionization nuclear emission-line regions?
 * ... that lunar lava tubes could provide natural shelters for manned lunar habitats?
 * ... that many geographic features on Campbell Island, New Zealand, were named for members of the French 1874 Transit of Venus astronomical expedition?