what is big bang theory? how our earth formed
Can anyone explain me what a blackhole is.
why does pole star not seems to move
Name a star which appears stationary from the Earth. In which constellation is it situated?
Why does a star appear to rise four minutes earlier in the sky everyday than the previous day?
1. A star is light years away from the earth. what does it mean ?
2. Why do stars look ery small although these are huge heaenly bodies ?
3. The moon is not a star but still shines . give reason
4. The planet mercury does not have an atmosphere. How does this affect the temperature on its surface ?
5. Write two uses of remote sensing satellites ?
6. Why does planets not collide with each other during their journey around the sun ?
7. Why does the tail of a comet always point away from the sun ?
8. Why does the pole star appears stationary in the sky, where as all other stars appears to move from East to West.
WHY IS EARTH KNOWN AS "UNIQUE PLANET" ?EXPLAIN
why is the distance between stars expressed in light years? what do you understand by the statement that a star is eight years away from the earth
Why do all stars in the sky appear to move from east to west?
what is difference between meteors and meteorites?
why,only earth is a planet which supports life????why not other planets??????
what is the relation between light year and kilimeter?
I urgently need a slogan on Mysterious universe
do all the stars in the sky moves?explain
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