20 Facts Of Astronomy (part-1)

Wellcome Knowledge Seeker, Today we are going to learn 20 Facts of Astronomy, If you don't know what Astronomy is? Then Stay Tune

1. What is Astronomy?

The study of planets in orbit around the sun is known as Astronomy

2. What is the Siberia triangle?

A triangle marked on the surface of Earth is known as the Siberia triangle.

3. What do you know about Supernova?

These are the explosions in which a star gets destroyed and they look like new stars in its galaxy.

4. What are black holes?

A black hole is an object which has a great gravitational field but whose escape velocity is greater than the speed of light.

5. What is cosmology?

It is the study of the origin and development of the universe.

6. What is a galaxy?

A flat wheel-shaped group of stars that are observed in the dark night, which includes the sun and the planets. A visible white strip of light across the sky, known as the milky way is an example of a galaxy.

7. What is Lynx Arc?

Europeans and N.Americans have discovered the biggest, greatest, and hottest star-forming zone which is known as Lynx Arc.

8. How do you measure the distance of stars?

The theory of triangulation is the only method to determine the distance of stars.

9. What is a binary star?

A pair of stars moving in orbit around their common center, which can be visible only through a telescope, otherwise, it looks like a single star to the naked eye.

10. Which is the nearest star to the earth?

26 Proxima century is the nearest star and is 4.25 light-years from the earth and is visible through the telescope only.

11. What is a north star?

North Star is a bright star and always appears in the North direction only, as it is situated above the North pole.

12. What are the planets of the solar system?

Mercury, Mars, Jupiter, Uranus, Saturn, Neptune, Pluto, Venus, and Earth are the planets in the solar system.

13. Which planet has its own ring?

Saturn has its own ring.

14. What are comets?

Comets are the shining heavenly bodies with a tail.

15. Which is the smallest planet?

Pluto is the smallest planet.

16. Which is the hottest planet?

Venus is the hottest planet. 

17. What is a Seismic belt?

The area on the Earth which is prone to Earthquakes is known as Seismic Belt.

18. What is Light year? 

The distance traveled by a ray of light in one year is termed as a light-year. It is equal to 9.46x10¹² Km.

19. What do you know about Supernovae?

Supernovae are the explosions in which the Star gets destroyed. They look like new stars in its Galaxies.

20. What is earth's day?

It is the time taken by the earth to spin once in its own axis.