| Unlike Kuiper belt comets, Oort cloud comets can rain down on the inner solar system from any angle and any direction. |
| According to Brownlee, the loose aggregate of particles seen on comets may represent the first generation of solids in the solar system. |
| The project included work on the Earth, Sun and Moon, and investigating the solar system, the phases of the moon and different types of orbit. |
| Allen said that the project was an opportunity to search for intelligent life beyond the solar system while doing conventional radio astronomy. |
| In theory there should be no intelligent species within a million light years the solar system. |
| The first mission of its kind, its goal was to provide clues as to the origins of our solar system. |
