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GCSE
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More cards in this set
Card 16
Front
16. If the suns diameter is 100x bigger than earth's, what is the Milkyways diameter?
Back
Card 17
Front
17. How far away is the Milkyway from the nearest galaxy?
Back
Card 18
Front
18. What do stars emit?
Back
Card 19
Front
19. How can you tell how hot a star is?
Back
Card 20
Front
20. How can you workout how far away a star is?
Back
Card 21
Front
21. What is a parallax?
Back
See full card set