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Stars seem brighter in open country for several reasons.

The main reason is light pollution. Light from street lights and the other trappings of urban living drown out the light from stars. A simple experiment to demonstrate this is to turn on a torch in a dark room at night and go outside and look in through the window. Now turn on the light in the room and go outside and look again. The second time u will not notice the torch light so much.

Other lesser factors are industrial pollution. Smoke, sulphur dioxide etc make the air less transparent and thus less star light gets through. Shine a torch through a fish tank filled only with water. Then repeat but add some milk into the tank. The second time the torch will be noticeably dimmer.

Also heat "pollution". Urban areas maintain heat at night more than non urban areas. This causes the air above it to move more and thus the stars shimmer in the heat haze. Less bright stars seem to melt into the background.

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Related Questions

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because the sizes and the distances away from earth are different


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Why does the sun appear bigger and brighter than the other stars?

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Is Polaris brighter than other stars?

Look up in the sky and you will see. Polaris is actually quite dim, compared to other stars and planets. Even at it's dimmest, Mars is brighter than Polaris.


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Why does the sun look very much bigger and brighter than other star?

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What is an instrument that makes stars look brighter and closer?

a teliscope


Why does the moon look brighter than the stars?

moon is too nearer to earth than stars


Why other stars than the Sun are seen only at night and not during daytime?

The illumination of the sky during daylight is much brighter than that of most stars. But, if you know EXACTLY where to look, you can (with your eyes or a telescope) see some bright stars during parts of the day when the Sun is not too high in the sky.


Why does the sun look bigger and brighter than all the other stars?

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