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?