The heavenly bodies like Sun, Earth and Moon etc. are moving in unimaginable vast space called…….
a) world
b) space
c) universe
d) none
Most of the asteroids orbit the Sun between Mars and Jupiter in wide band. This band is called the…….
a) asteroid belt
b) asteroid ocean
c) asteroid shoal
d) none of these
The asteroid belt is about…….hundred thousand kilometers wide.
a) 7
b) 11
c) 15
d) 21
A scientist who studies the stars, planets and other objects in space is called an………..
a) space observer
b) astronomer
c) Geonomer
d) space scientist
It is the part of comet.
a) head
b) coma
c) tail
d) all of these
Some asteroids are very small in diameter
but some have diameter up to……….
a) 100 km
b) 500 km
c) 1000 km
d) 1500 km
