126. Which 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?
Hipparchus
127. What is Big Bang Theory?
128. The science which deals with the nature and origin of the universe is known as?
Cosmology
129. Founder of Scientific Astronomy?
Hoffmann
130. A congregation of millions or billions of stars held together by gravity?
Galaxy
131. How many different kinds of galaxies are there?
132. Which American astronomer classified the galaxies into spiral elliptical and irregular types?
Edwin Hubble
133. Our galaxy milky way is a?
Spiral Galaxy
134. Which galaxy is called as the twin of our galaxy, the milky way?
M-31
135. Group of stars that form certain shapes or pattern are called?
Constellations
136. The pole star is a part of the ........ constellation?
Ursa Minor
137. Where is Lyra?
Lyra is a summer constellation.
138. The biggest constellation is?
Hydra
139. Which constellation is known as Hunter?
Orion
140. Father of modern space science?
Galileo Galilei
141. Oldest of all the constellations?
Leo
142. Which constellation is called by the name Milk- clipper?
Saggitarius
143. Where is Taurus?
Taurus extends from the celestial equator north to a little above 30° north declination.
144. The two nearest galaxies to our milky way?
Large Magellanic cloud and small Magellanic cloud
145. The galaxy nearer to our galaxy milky way?
Andromeda Galaxy
146. Milkyway belongs to a cluster of some 24 galaxies called?
Local group
147. Energy is transferred from the Sun to Earth mainly by?
electromagnetic waves
148. The best evidence that Earth spins on its axis is provided by?
apparent shifts in the swing of a Foucault pendulum
149. Existence of galaxies beyond milky way was first demonstrated by?