← SetsGrade 9 Science Q4: Earth & Space — Set 6
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Grade 9 Science Q4: Earth & Space Practice Questions — Set 6
10 free Grade 9 Science Q4: Earth & Space reviewer questions with answers and explanations. Pindutin ang sagot mo para makita agad kung tama — kasama na ang paliwanag. Set 6 of 7.
51
What is left behind after a supernova explosion?
52
Why do stars appear to twinkle in the night sky?
53
What is a galaxy?
54
What type of galaxy is the Milky Way?
55
Where is our solar system located in the Milky Way?
56
What is the Big Bang theory?
57
What evidence supports the Big Bang theory?
58
What is cosmic background radiation?
59
What is a light-year?
60