|Since the Moon has no atmosphere, it has no ____ or weather.
|The point in the sky directly above you is the ____.
|A ____ entering the Earth's atmosphere looks like a shooting star.
|Jupiter's Great Red Spot is a gigantic persistent ____.
|If the Sun is a ____, then Earth is a fruit fly 85 feet away.
|The study of objects (planets, stars) in outer space is ____.
|The gas and dust cloud surrounding a comet's core is its ____.
|A ____ is a natural or artificial body that revolves around a planet.