Why can more stars be observed in the countryside than in large cities like Delhi.
A) The moon is brighter in cities and blocks out the light from many stars.
B) There is more dust to reflect light in country air that in city air.
C) The brightness of city light makes many stars hard to see.
D) The air is warmer in cities due to heat emitted by cars, machinery and houses
Answers
Explanation:
That shimmering river of stars is, of course, the Milky Way. Most of us living in urban areas can't see it because of all the light pollution. In big cities, we're lucky to even glimpse the Big Dipper. ... Artificial light from cities has created a permanent "skyglow" at night, obscuring our view of the stars.
More stars can be observed in countryside because -
C) The brightness of city light makes many stars hard to see.
The phenomenon stated in option C is light pollution. Light pollution refers to artificial light used by people which can be uni- or multi directed. The presence of excessive light fades the sky and hence less stars are visible.
Usually country sides have less lights in comparison to large cities, making it possible to stargaze at night.