Advertisements
Advertisements
प्रश्न
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.
उत्तर
APPEARS IN
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 described as Red Planet.
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 |
According to the Big Bang theory, space and time emerged together about ______ billions of years ago.
The event when the matter confined in a single point and began to expand is called ______.
Explain the origin of the universe.
All the atoms together only make up ______ percent of the universe.
The universe began with the start of a massive explosion called ______.
Explain the salient features of the Big Bang Theory.
