Star is a celestial body
They are extremely hot and emit light of their own
Sun is the nearest star to us
Alpha Centauri is second nearest star to us
Why are stars not visible during daytime?
Stars are present during day also
They are not visible due to bright sunlight
Why do stars appear from east to west?
Actually stars do not move
Because earth rotates from west to east on its axis ,it appears that stars appear to move from east to west
(Just like when we sit in moving train,it appears that all the nearby trees and buildings are moving backwards,but they are actually not moving)
Which star does not appear to move?Why?
Pole star does not appear to move
It is because it lies close to axis of rotation of earth
So even when earth rotates,it does not seem to change
The actual rotation lookslike
NCERT Question 13 - Do all the stars in the sky move? Explain.