1The scientific study of a heavenly bodies is called?
Ans : Astronomy
2How many kms is an Astronomical Unit (AU) in terrestrial measurements?
Ans : 149597870700 metres or about 150 million kilometres (93 million miles)
3In which book, Nicholas Copernicus, wrote that the Sun is the centre of Universe, that marked the beginning of modern astronomy?
Ans : De Revolution Orbium Coelestium
4Who wrote ancient cosmological treatise Almagest?
Ans : Ptolemy
5Which Greek astronomer of 150 BC compiled a catalogue of the position of more than 800 stars besides establishing a magnitude scale to measure star brightness, that is still in use?
Ans : Hipparchus
6What is Big Bang Theory?
(A) The Big Bang Theory states that the Universe began in an enormous explosion about 15
(B) 000 million years ago. At its very beginning
(C) the Universe was very hot and compressed
(D) and was expanding violently.
Ans :()
7The science which deals with the nature and origin of the universe is known as?
Ans : Cosmology
8Founder of Scientific Astronomy?
Ans : Hoffmann
9A congregation of millions or billions of stars held together by gravity?
Ans : Galaxy
10How many different kinds of galaxies are there?
(A) There are three groups of galaxies - elliptical
(B) spiral and irregular galaxies.
Ans :()
11Which American astronomer classified the galaxies into spiral elliptical and irregular types?
Ans : Edwin Hubble
12Our galaxy milky way is a?
Ans : Spiral Galaxy
13Which galaxy is called as the twin of our galaxy, the milky way?
Ans : M-31
14Group of stars that form certain shapes or pattern are called?
Ans : Constellations
15The pole star is a part of the ........ constellation?
Ans : Ursa Minor
16Where is Lyra?
Ans : Lyra is a summer constellation.
17The biggest constellation is?
Ans : Hydra
18Which constellation is known as Hunter?
Ans : Orion
19Father of modern space science?
Ans : Galileo Galilei
20Oldest of all the constellations?
Ans : Leo
21Which constellation is called by the name Milk- clipper?
Ans : Saggitarius
22Where is Taurus?
Ans : Taurus extends from the celestial equator north to a little above 30° north declination.
23The two nearest galaxies to our milky way?
Ans : Large Magellanic cloud and small Magellanic cloud
24The galaxy nearer to our galaxy milky way?
Ans : Andromeda Galaxy
25Milkyway belongs to a cluster of some 24 galaxies called?
Ans : Local group
26Energy is transferred from the Sun to Earth mainly by?
Ans : electromagnetic waves
27The best evidence that Earth spins on its axis is provided by?
Ans : apparent shifts in the swing of a Foucault pendulum
28Existence of galaxies beyond milky way was first demonstrated by?
