How many moons do Saturn planet have?
How far away from earth, is space?
Which of the pulsating variable star whose brightness varies in a very regular time period of about 1-50 days?
How big is venus?
Who is the known as the father of indian astronomy?
How stars produce energy?
The time taken by aryabhatta for one revolution around the earth?
Describe the venus atmosphere?
How many stars are there in the whole universe?
An emission or bright line spectrum consists of?
When did solar system come into existence? What is the expected life of solar system?
Explain how do clouds form?
Which of the constellations cannot be seen in the summer sky of the northern hemisphere?