In a closed universe, the angles of a triangle add up to
A) more than 180 degrees.
B) 180 degrees.
C) less than 180 degrees.
Correct Answer:
Verified
Q9: The evidence that the universe is expanding
Q10: One line of evidence supporting the big
Q11: By observing gas clouds orbiting the centers
Q12: One experiment that informs us that gravity
Q13: Dark matter is made of
A) slow- moving
Q15: According to the theory of cosmic inflation,
Q16: Does a high- speed bullet's path bend
Q17: As evidence for the cosmic inflation hypothesis,
Q18: Recent evidence from very distant supernova explosions
Q19: The universe is made mostly of
A) dark
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