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The idea is that it takes a while for the light from the stars to reach us. A few years... or a few billion years, depending on what star you are talking about.

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13y ago

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Are we looking at the past when we observe stars?

Yes, when we observe stars, we are looking at the past because the light from stars takes time to travel to Earth, so we see them as they were in the past.


When we look at the stars in the sky, do we see them as they were in the past?

Yes, when we look at stars in the sky, we are seeing them as they were in the past because the light from stars takes time to travel to Earth, so we are seeing them as they appeared at a certain point in the past.


Where do stars go at daylight?

Nowhere. You can't see the starlight past the bright sunlight, but the stars are still there.


Are we seeing stars in the past when we look up at the night sky?

Yes, when we look up at the night sky and see stars, we are actually seeing them as they were in the past due to the time it takes for their light to reach us.


List the names of movie stars who have died?

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What is past the stars in potty racers?

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Why is there never any shooting stars?

There are shooting stars, but at one minute you look for one, and next you don't then it goes past you that fast you can't see it but some people can.


Why do people say looking at stars is like looking in the past?

Because the speed of light is finite (around 186,000 miles per second) and the stars are so distant, it takes a long time for the light to reach the telescope from the stars - at least 4.2 years. Many objects are millions of light years distant, meaning that what we see in the sky is from the distant past.


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People in the past usually studied the stars because they used it to make Calenders and days


When looking at stars do you see the star or its light?

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How many stars are their in the universe?

In the observable universe there are about 80 to 100 billion galaxies with varying numbers of stars in each. A rough mean average for the number of stars per galaxy is 400 billion. It is thought that there are from 30 to 70 billion trillion (i.e. 30 to 70 sextillion) stars in the observable universe. Whilst the estimates differ somewhat, the number of stars seems to be in the sextillions, which is a 1 followed by 21 zeros. There are many reasons why our estimates vary as much as they do. An important point to consider is that when we observe distant objects such as stars, we don't see them as they are now, but as they were in the past. The reason we see into the past as we look out into the universe is because the light we see takes a finite amount of time to reach us. As such, some of the stars we see, particularly those in very distant regions of space (relative to earth), may no longer be counted as stars. Conversely, new stars in distant regions may have already formed but we wouldn't see them until light from those stars reaches us here on earth.