P1- Looking into space

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What can you use to measure the distance of nearby stars?
Parallax and Brightness
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How do astronomers measure the distance of a star using parallax?
They take pictures of the sky 6 months apart
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How does parallax show the measurement of stars?
Stars that are further away appear to move less than the stars that are closer to the Earth.
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Why is it better for telescopes to be in space rather than on Earth?
Light pollution on the Earth makes it harder for us to see dimmer objects.
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What are the issues with using brightness as a measurement of stars?
A star that looks very bright to us could be quite close to Earth and not that bright, or it could be a star quite far away and very bright.
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Other cards in this set

Card 2

Front

How do astronomers measure the distance of a star using parallax?

Back

They take pictures of the sky 6 months apart

Card 3

Front

How does parallax show the measurement of stars?

Back

Preview of the front of card 3

Card 4

Front

Why is it better for telescopes to be in space rather than on Earth?

Back

Preview of the front of card 4

Card 5

Front

What are the issues with using brightness as a measurement of stars?

Back

Preview of the front of card 5

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