Astronomy

Select an Option and Proceed

Name a reason for there being 24 hours within a day.

A - The discovery of exoplanets in other solar systems.
B - The amount of light needed to discover a small planet in space.
C - The Sun provides too much light, making it difficult to discover anything outside our solar system.
D - An accumulation of the difference a star rises each night.

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Astronomy A4 (9/20)

Yearly cycles outside the Earth's atmosphere are annual motions.

Name a reason for there being 24 hours within a day.

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