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2. Approximately how many Galaxies are there ?
- 10 Billion Galaxies
- 100 Billion Galaxies
- 1000 Billion Galaxies
- 10000 Billion Galaxies
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3. Big Bang theory explains ?
- Origin of Universe.
- Origin of Sun.
- Laws of physics.
- None of above.
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4. Big Bang was an explosion that occurred ?
- 10 Billion years ago
- 15 Billion years ago
- 20 Billion years ago
- 25 Billion years ago
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5. Which is correct order of solar system starting from Sun ?
- Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
- Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
- Mercury, Venus, Mars, Earth, Jupiter, Saturn, Neptune, Uranus
- Mercury, Venus, Earth, Jupiter, Mars, Saturn, Uranus, Neptune