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प्रश्न
The Big Bang occurred ______ years ago.
विकल्प
13.7 billion
15 million
15 billion
20 million
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उत्तर
The Big Bang occurred 13.7 billion years ago.
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संबंधित प्रश्न
Match the following:
| Group A | Group B |
| (1) Galaxy | (a) From east to west |
| (2) Comet | (b) 33 satellites |
| (3) Sun-like star | (c) Spiral |
| (4) Saturn | (d) Sirius |
| (5) Venus | (e) Halley |
____________ is the unit used to measure the distance between two celestial bodies.
Match the following:
| 1. Ringed planet | (a) Earth |
| 2. Blue planet | (b) Mars |
| 3. Smallest planet | (c) Mercury |
| 4. Earth's Twin | (d) Venus |
| 5. Red Planet | (e) Saturn |
HOT Question
Neelan and Mala are having a conversation about our Universe. Neelan is telling our earth will be the only planet in the entire Universe to have a life with. But, Mala is opposing his view by citing certain points. What would be the argument of Mala. Do you support Mala? Justify your stand.
The distance travelled by light in one year is called a ______.
The average distance between the Earth and the Sun is called an ______.
Billions of galaxies from the ______.
All the atoms together only make up ______ percent of the universe.
All the matter in the universe is made up of hydrogen and helium.
Explain the salient features of the Big Bang Theory.
