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Formation of Galaxies and Solar System. Actual Problems Practice Questions

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22.12Formation of Galaxies and Solar System. Actual Problems

Formation of Galaxies and Solar System. Actual Problems Revision Questions

1. What part of the solar system's existence did the process of asteroid formation occupy?

  1. 3/13700
  2. 3/4600
  3. 4600/13700
  4. 100/4600

Correct Answer: B

2. What is the total mass of the observable universe (expressed in solar masses) including the dark matter?

  1. 7.5 × 1022
  2. 7.5 × 1023
  3. 7.5 × 1024
  4. 1.5 × 1053

Correct Answer: C

3. If the Universe is closed and it actually is at half of its expansion process, when the Big Crunch will occur?

  1. After 13.7 billion years
  2. After 27.4 billion years
  3. After 41.1 billion years
  4. After 54.8 billion years

Correct Answer: C

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