Who proposed the heliocentric model of the universe?

(a)

Tycho Brahe

(b)

Nicolaus Copernicus

(c)

Ptolemy

(d)

Archimedes

Ceres is a _______.

(a)

Meteor

(b)

Star

(c)

Planet

(d)

Astroid

The Big Bang occurred ________ years ago.

(a)

13.7 billion

(b)

15 million

(c)

15 billion

(d)

20 million

Which of the following is not a member of the solar system?

(a)

An asteroid

(b)

A satellite

(c)

A constellation

(d)

A comet

Which of the following is not a planet of our solar system?

(a)

Sirius

(b)

Mercury

(c)

Saturn

(d)

Earth

The colour of a star is a measure of its _______________.

(a)

age

(b)

temperature

(c)

size

(d)

distance from the earth

In a geostationary orbit, a satellite is at a distance of _______________ from the Earth.

(a)

53,880 km

(b)

25,880 km

(c)

36,000 km

(d)

1,12,000 km

Stars in a constellation form _____________.

(a)

No shape

(b)

any arbitrary shape

(c)

a recognisable shape

(d)

a straight line always

Which of the following units is used to measure distance between the stars?

(a)

km

(b)

m

(c)

light year

(d)

fm

The member of our solar system, with highly tilted orbit is _____________.

(a)

Earth

(b)

Pluto

(c)

Mars

(d)

Saturn