Question

Stars appear to move from east to west because the?
1. Whole universe is moving from east to west
2. Earth is rotating from west to east
3. Earth is revolving around the sun
4. The universe is rotating from west to east

Answer 1

Correct Answer - Option 2 : Earth is rotating from west to east

The correct answer is Earth is rotating from west to east.

• These apparent star tracks are in fact not due to the stars moving, but to the rotational motion of the Earth.
• As the Earth rotates with an axis that is pointed in the direction of the North Star, stars appear to move from east to west in the sky.
• Earth rotates eastward, in prograde motion.
• The earth turns counterclockwise.
• The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is the point in the Northern Hemisphere where Earth's axis of rotation meets its surface.

• Features of Planet:
  • Fix orbit
  • Fix revolution time
  • Fix inclination
  • Fix rotation
  • Shape Spherical
  • Mass constant
• Pluto was declared a Dwarf planet in 2006.
• The asteroid belt is in between Mars and Jupiter.