Advertisements
Advertisements
प्रश्न
The Big Bang occurred ______ years ago.
विकल्प
13.7 billion
15 million
15 billion
20 million
Advertisements
उत्तर
The Big Bang occurred 13.7 billion years ago.
APPEARS IN
संबंधित प्रश्न
Look at the picture and answer the questions given below.
- Identify the planet.
- What is the colour of the planet?
- Why is it of this colour?
Across
2. A dwarf planet
3. Equal days and nights
7. I am a gas found in the Sun
8. I appear once in 76 years.
Down
1. I am the morning star
2. India’s first moon mission.
4. I have two natural satellites.
5. I am the farthest planet.
6. An imaginary line passing through the centre of the Earth.
_________ is described as Red Planet.
Write about the Planet Earth in detail.
The only evidence of the big bang theory is?
Match the following
| Column A | Column B | |
| a) | Atavism | caudal vertebrae and vermiform appendix |
| b) | Vestigial organs | a forelimb of a cat and a bat’s wing |
| c) | Analogous organs | rudimentary tail and thick hair on the body |
| d) | Homologous organs | a wing of a bat and a wing of an insect |
| e) | Wood park | radiocarbon dating |
| f) | W.F. Libby | Thiruvakkarai |
Mention the hierarchy of the universe.
The event when the matter confined in a single point and began to expand is called ______.
Explain the origin of the universe.
Billions of galaxies from the ______.
