Q.1.
Which was the first planet known to have rings?
Q.2.
Which one do artificial satellites NOT do?
Q.3.
How many stars are there in our galaxy?
Q.4.
How many planets are there in our solar system?
Q.5.
Which is the largest planet in our solar system?
Q.6.
The time it takes the Earth to orbit the Sun is called .......
Q.7.
The centre of our solar system is .......
Q.8.
A satellite is .......
Q.9.
What is our solar system a part of?
Q.10.
We can sometimes see some of the planets because .......