The big bang occurred __________ years ago.
A) 1 to 2 million
B) 10 to 20 million
C) 1 to 2 billion
D) 10 to 20 billion
Correct Answer:
Verified
Q11: Jets of gas called _ shoot upward
Q12: The Sun's turbulent, diffuse 2,000 to 3,000
Q14: When a star larger than 1.44 solar
Q15: A/an _ is smaller than a galaxy,
Q16: Stars and galaxies emit _ generation energy.
A)
Q18: A small residual star that emits regular,
Q19: Spherical clouds of dust and gas, called
Q20: During a full solar eclipse, the _
Q22: Orion's absorption nebula:
A) is about as dense
Q37: A pulsar is a _ that emits
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