|Uranus and Neptune are known as ____ giants.
|Mars has red ____ dust covering its surface.
|A ____ is a natural or artificial body that revolves around a planet.
|The point in the sky directly above you is the ____.
|Venus has a very dense, mostly ____ atmosphere.
|As a ____ orbits the Sun, its tail is blown away from the Sun.
|Since the Moon has no atmosphere, it has no ____ or weather.
|A ____ entering the Earth's atmosphere looks like a shooting star.