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What else can I help you with?
How long does it take starlight to reach us?
The distance of Altair is listed as 16.8 light-years.That's something like 1.1 million times the distance from the earth to the sun !
How long does light from stars except the sun take to get to earth?
The furthest star would be in the furthest galaxy. [See related question] That is about 12.9 billion light years from us - and probably accelerating away from us. So light would take 12.9 billion years to reach us. This is just the farthest galaxy we know of, considering the universe is bigger than what our cameras can pick up. Considering a common belief is that the universe is infinite.
Why astronomers have difficulty looking at distant stars except?
Astronomers have difficulty looking at distant stars because while we have highly specialized telescopes, they are in constant contention with various other celestial bodies. In addition to this, the light of distant stars takes hundreds of thousands of years to reach us, making it impossible to get a current look at a distant star.
What takes longer to reach earth light from the sun or light from other stars?
Light from the sun because all light travels at the same speed, and the sun is the closest star to the earth, so therefore the light from the sun reaches the earth before light from other (further away) stars
How is star gazing like time travel?
Star gazing can be compared to time travel because when we look at stars in the night sky, we are looking back in time due to the vast distances light has to travel to reach us. The light we see from stars can be thousands or millions of years old, so in a sense, we are seeing how those stars looked in the past. It's a way to connect with the history of the universe and experience a sense of time beyond our own.
Why are the stars that you see in the sky now how they looked like thousands of years ago?
The light from stars takes a long time to reach us due to their immense distance from Earth. When we observe a star in the sky now, we are seeing the light that was emitted by that star thousands of years ago. This is because the speed of light is finite and the universe is vast.
When do stars appear?
The light emited by stars can take thousands of years to reach the Earth, because the stars can be located thousands of light years away. Stars viewed from Earth can only be seen at night because the light from the sun creates a glear on the atmosphere.
Why does the light we see from stars take thousands of years to reach us?
The light from stars takes thousands of years to reach us because stars are very far away from Earth, and light travels at a finite speed. This means that it takes a long time for the light to travel across the vast distances of space to reach our eyes.
Does it sometimes take millions of years for starlight to reach earth?
Not for the stars you can see without a telescope. All of the stars you see at night are within a few hundred light years of Earth, so it does not take the light more than a few hundred years to reach us. There are stars in other galaxies that are millions or even billions of light years away. That light does take millions to billions of years to reach us, though the stars are too far away for us to thee them individually.
How long does it take starlight to reach us?
The distance of Altair is listed as 16.8 light-years.That's something like 1.1 million times the distance from the earth to the sun !
How long does it take for light from big dipper stars to reach earth?
The stars from the Big Dipper are approximately 80 light years away from Earth, meaning it takes 80 years for the light from those stars to reach us. This means that the light we see today from the Big Dipper actually left those stars 80 years ago.
Why do you see stars as they were in the past?
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.
When you see stars in sky are you watching your past?
In a way - yes. Light from the sun (our nearest star) takes about 8 minutes 20 seconds to reach Earth. The light from the nearest star outside out galaxy takes about 75 years to reach us (so we see it as it was just before World War II started. Light from some stars may have taken many thousands - perhaps millions of years to reach us, and that star may already have exploded into a super-nova ! Light from distant stars may have started its journey before the Norman conquests... or before the extinction of the dinosaurs !
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.
Do constellations have a fixed shape?
because stars cannot move fast enough for people to be able to tell that they moved from Earth, and also because it takes thousands of years for the light of stars to reach Earth. If the big bang happened at one particular moment, it would take eight minutes for the first light to reach earth (the sun is the closest star to the earth, and it is eight light minutes away)
Could you tell me about the stars?
our sun is much closer to us than the stars. Light from the sun takes about eight minutes to reach Earth, but the light fromthe next nearest star takes a sevral years to reach us
What is the stars in bootes distance from earth?
The stars in the constellation Boötes are at varying distances from Earth, with the closest star being around 37 light-years away and the farthest stars in the constellation being thousands of light-years distant.
