Explanation

Sirius is the brightest star in the night sky.

Sirius means صبح کا ستارہ 

Explanation

The Indian Space Research Organization (ISRO)  is the national space agency of India.

Explanation

The minimum velocity required to place or maintain a satellite in a given orbit is called orbital velocity.

Explanation

Explanation

According to the International Astronomical Union, Pluto is still not an official planet in our solar system.

Pluto was first discovered by a young research assistant Clyde Tombaugh in 1930.

Pluto was demoted to dwarf planet status in 2006.

Additional Information

These are the 8 planets

1. Mercury

2. Venus

3. Earth

4. Mars

5. Jupiter

6. Saturn

7. Uranus

8. Neptune

Explanation

Except at the magnetic pole, the Earth's magnetic field is always horizontal

 the horizontal component of the earth's magnetic field is zero at the magnetic poles.

Hence, Earth's magnetic field always has a horizontal component except at the magnetic poles where it is zero.

Explanation

Answer:

It looks dark to astronauts. On the earth, the blue sky can be seen due to the existence of the atmosphere. The atmosphere blocks the rays of the sun and you can see the color of the sky. In the universe, because there is no atmosphere, the rays reach the astronomer's eyes without refraction and appear dark.

Explanation

Explanation

Summer Solstice happens once every year. 

Summer Solstice is on 21 June, also known as the longest day of the year.

22 December night is the longest night of the year.

Explanation

The telescope is undoubtedly the most important investigative tool in astronomy.

A celestial body that revolves around a planet is known as a natural satellite.