Many scientists believe that a huge object from space hit Earth about 65 million years ago.

VOA: special.2009.01.20

The two men would chase another object orbiting Earth,a satellite.

VOA: special.2009.06.24

The astronauts would chase another object orbiting Earth.

VOA: special.2009.07.01

NASA's George Diller said the station is easily visible from Earth because it is more than "It is a large object, getting bigger all the time."

VOA: standard.2010.04.05