1.
A celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun.
2.
One of many large rocks that circle the sun.
3.
A piece of rock or other matter in space that has not yet entered the earth's atmosphere.
4.
A rocket-launched spacecraft, able to land like an unpowered aircraft, used to make repeated journeys between the earth and earth orbit.
5.
Any of the small particles of matter in the solar system that are directly observable only by their incandescence from frictional heating on entry into the atmosphere.
6.
A vehicle or device designed for travel or operation outside the earth's atmosphere.
7.
The planet nearest the sun.
8.
The planet eighth in order from the sun
9.
Any of the large bodies that revolve around the sun in the solar system or a similar body associated with another star.
10.
to cause to go round in an orbit
