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Chemistry CBSE Live product
Class 7 (2025-26)
Earth, Moon and the Sun
Revolution of the earth
6.
Seasonal changes in the night sky
Question:
2
m.
Choose the best answer:
1.
What happens to constellations that are visible in one season?
They stay visible all year
They rise in the east every day
They may not be visible in another season
They shift westward slightly each night
2.
Why does the set of stars visible just after sunset change gradually over months?
Because stars move rapidly in the galaxy
Because Earth revolves around the Sun
Because Earth rotates faster in summer
Because of the Moon’s orbit around Earth
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