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There are billions of stars in the solar system.

The moon appears red during a total lunar eclipse due to the _____ of light through the Earth’s atmosphere.

Debris from space that is in the earth’s atmosphere is called a

Which of the following telescopes uses a mirror to form an image?

The Sun plays a greater role in producing the tides than the Moon.

The acceleration of a car travelling at a constant velocity of 60 mph for ½ hour is _____ m/s2.

Clouds are white, and the sky is blue due to _____ of light.

Mercury is the hottest planet in the solar system.

The best location for an optical telescope is

Which of the following is the result of the process of arranging, selecting, and ordering?