is the coldest planet in our Solar system.

What is the name of $400 \mathrm{km}$ thick bright layer around the sun?

What is an artificial satellite? Name any two types of artificial satellite and state their functions.

Which of the following is not a natural satellite?

Which satellite is used for geographical survey?

Why do tail of comets formed, when it comes closer to sun?

Fill in the blank with the appropriate number:
The surface temperature of the sun is _____${}^0 \mathrm{C}$. ($2000$/$5500$/$3500$)

_____ eclipse occurs when the Earth blocks the sunlight falling on the Moon.

Choose the right word and fill in the blank provided below.

The Sun's family has _____ planets. (eight/nine)

Fill in the blank with a suitable word from the bracket.

The _____ (jovian/terrestrial) or rocky planets in our Solar System orbit relatively close to the Sun.

Choose the most appropriate answer for the statement given below:

Our Solar System is located in the _____ galaxy. (Andromeda/ Milky way)