Question 61
Uranus' and 'Neptune' were visited by space probe?
Question 62
Stars in a group of congregation are called?
Question 63
Movement of stars is felt due to earth's?
Question 64
Distance of sun from earth is nearly ?
Question 65
Different craters and ridges are seen on surface of?
Question 66
Earth has a lot of water on its surface to support diversity of?
Question 67
Dark matter filled between spaces in galaxies is called?
Question 68
Earth takes 24 hours to complete one?
Question 69
Path of an object which revolves around another object in outer space is called a?
Question 70
An imaginary line going through center of earth from north pole to south pole about which earth rotates is called?