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

Stars not visible during the day


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

Pole star is in the axis of the earth.jpg


The actual rotation lookslike



Pole Star Rotation



NCERT Question 13 - Do all the stars in the sky move? Explain.

View Answer

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo