Which type of star is maintained by the pressure of an electron gas?
- (A) Black hole
- (B) White dwarf
- (C) Neutron star
- (D) Sequence star
- (B) White dwarf
Which of the following is the fastest planet?
- (A) Saturn
- (B) Jupiter
- (C) Mercury
- (D) Neptune
- (C) Mercury
Which is the densest planet of the solar system?
- (A) Mars
- (B) Earth
- (C) Saturn
- (D) Neptune
- (B) Earth
The brightest star outside of the solar system “Sirius” is also known as:
- (A) Cat star
- (B) Lion star
- (C) Dog star
- (D) Fox star
- (C) Dog star
The least dense planet of our solar system is:
- (A) Venus
- (B) Mars
- (C) Uranus
- (D) Saturn
- (D) Saturn
What is the rotation time period of Jupiter?
- (A) 3 hours, 10 minutes and 10 seconds
- (B) 5 hours, 20 minutes and 10 seconds
- (C) 7 hours, 25 minutes and 15 seconds
- (D) 9 hours, 50 minutes and 30 seconds
- (D) 9 hours, 50 minutes and 30 seconds
The planet that moves round the Sun at the highest speed is:
- (A) Mars
- (B) Venus
- (C) Mercury
- (D) Uranus
- (C) Mercury
The time taken by the “Mars” to revolve round the sun is approximately:
- (A) 279 days
- (B) 687 days
- (C) 777 days
- (D) 885 days
- (B) 687 days
In general, Comets have highly _______ orbits.
- (A) Circular
- (B) Elliptical
- (C) Parabolic
- (D) Irregular
- (B) Elliptical
The planet which is easily visible from the Earth is:
- (A) Mars
- (B) Venus
- (C) Saturn
- (D) Jupiter
- (B) Venus
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