P7 Flashcards

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1
Q

What is a solar day?

A

A solar day is the time taken for the sun to appear at the same position in the sky. It’s 24 hours.

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2
Q

What happens in the lunar eclipse?

A

As it orbits, the moon sometimes passes into the earths shadow. The earth blocks sunlight from the moon, so almost no light is reflected from the moon and it just seems to disappear.

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3
Q

What is a solar eclipse?

A

The moon is just the right size and distance away that when it passes between the sun and the earth, it can block out the sun.

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4
Q

What is the difference between a total solar eclipse and a partial solar eclipse?

A

From parts of their son is completely blocked – a total solar eclipse.
From many places on earth only part of the sun will be blocked – A partial solar eclipse.

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5
Q

What is a sidereal day?

A

A sidereal day is the time taken for a star to return to the same position in the sky. It’s about 23 hours and 56 minutes.

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