All of the following are inner planets EXCEPT which one?
The moon revolves around earth about once every______.
Which phase does the moon begin with?
What does “helios” mean?
Which section of Earth is composed primarily of liquid metal?
A group of stars that form a picture is called a _______
Which of the planet rotates in a direction opposite to the direction of earth’s rotation?
The first person to enter into space was
Where is the headquarters of ISRO?
Due to which we have seasons on earth?
_________ is the instrument to see planets
The distance that light travels in one year is called ____
Which was the first successful man made satellite, launched in 1957?
Who was the first person landed on the moon?
How many of total phases does the moon have?
Who is the chairman of ISRO?
A time period in which earth completes a day is called it
When is the earth day?
If it is summer here, what season is it in the southern hemisphere?
How much time the sunlight takes to reach earth’s surface?
Which planet looks reddish in the night sky?
An astronaut in outer space will observe sky as
Which of the planet have no moons?
Who used a telescope to prove that the earth could not be the center of the universe?
If earth rotated slower, we would have..
What is the 1st layer of the earth?
How much natural satellite does earth have?
Which planet has iron in its soil & is the red planet?
Name the first reusable spacecraft
Curved mirror is used in