General Knowledge :: Universe
- The sunspots cause ________
- The altitudes of heavenly bodies appear to be greater than they actually are. This is due to ________
- The Planet amongst the following (other than Saturn), that shows a faint ring is ________.
- Comets are celestial bodies moving about the solar system in
- The period of one revolution of sun around the centre of galaxy is called ________
- The planet that is nearly comparable to Earth as regards its size and mass is