Astronomy-Objective Related Question Answers
126. The planet which has the highest escape velocity?
Jupiter (37 miles/second)
127. Ganymede, the largest satellite in our solar system is a satellite of?
Jupiter
128. How fast does Jupiter travel around the Sun?
Jupiter makes 13.1 kilometres per second.
129. The biggest four satellites of Jupiter?
130. The only space craft to orbit Jupiter is?
Galileo Orbitel
131. The second largest planet in the solar system?
Saturn
132. The outer most planet visible to the naked eye?
Saturn
133. The planets known as “gas giants” include Jupiter, Uranus, and?
Saturn
134. Which planet has an orbit with an eccentricity most similar to the eccentricity of the Moon’s orbit around Earth?
Saturn
135. The satellite of Saturn nicknamed Death Star?
Mimas
136. Who discovered the rings round Saturn?
Galileo
137. Period of rotation of Saturn?
10 hours 14 minutes
138. Period of revolution of Saturn?
30 years
139. Planet known as golden giant?
Saturn
140. The only planet having density less than water?
Saturn
141. Phoebe, Tethys and Mimas are the satellites of?
Saturn
142. Who discovered titan?
Christian Huygens in 1656
143. The second largest satellite of Saturn?
Rhea
144. Uranus was discovered by?
William Hershel in 1781
145. The Third largest planet in the solar system?
Uranus
146. The only planet where one pole faces the sun as its orbits?
Uranus
147. Miranda and Ariel are the satellite of?
Uranus
148. Uranus appears green in colour why?
Because of Methane gas present in its atmosphere
149. Name the five faint narrow rings surrounding the Uranus?
150. The planet known as rolling planet?
Uranus
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