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Science: Astronomy Facts

On average, Earth is ____ million miles (1 AU) from the Sun. 3
Earth rotates about ____ times per orbit around the Sun. 4
The Moon is ____ times larger than the dwarf planet Pluto. 8
The Big Bang occurred a little less than ____ billion years ago. 14
About ____ planets have been discovered in the Milky Way. 93
There are ____ planets in the Solar System. 100
Earth is almost ____ times larger than the Moon. 365
The Sun is about ____ times larger than the Earth. 5,100