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If you look far enough away can you see Earth in the past?

No. If you look far enough away, you will see OTHER objects in the past. For example, if a galaxy is ten million light-years away, the light of this galaxy took 10 million years to reach us, so we see this galaxy 10 million years ago. Earth's light, from millions of years ago, doesn't come back to us, since (roughly speaking) light travels in a straight line, and moves at the speed of light (300,000 km/sec).


How big would the sun look like 1 million miles from earth?

At a distance of 1 million miles from Earth, the Sun would appear much smaller compared to its size in our sky. It would look like a large bright star, but not as large as it appears from Earth.


How far is mars from earth in million km?

Mars' distance from earth varies a lot, it all depends on where the two planets are relative to each other in their different orbits around the sun. The closest that Mars gets to Earth is near the time when they are lined up, with the earth between the sun and Mars. At this point, Mars can be as close as 54 million km (about a third of the Earth to sun distance). When Mars is on the `other side` of the solar system, with the sun between us and Mars, thats when Mars is furthest from Earth (around 400 million km). Watch out for those hoax emails! In 2003 they said that Mars will be at its closest approach for so many years and the planet would look as big as the moon - this was a hoax. Even though it did come closer to the earth for a long time, you would not have noticed it being any bigger or brighter.


Was the extinction of dinosaurs caused by a comet crashing to earth?

no a dieses killed all the dinosaurs but we may never know if i am wrong or right No, The reason for their ending may be because of the Flood that happened in the Bible, If you look it up in Genesis you can read more.


When did earth first accumulate water in abundance?

It is thought that millions of comets rained down as ice on the early Earth and produced the oceans soon after it's creation 4,7000 million years ago. Look at the surfaces of Mercury and the Moon. They are covered in craters but, having no atmosphere and low surface gravity, the water leaked back out into space.

Related Questions

Will earth look the same in one million years as it does now.How do you know?

YES


What will the earth look like in 250 million years?

well you never know. No one knows unless you think you'd be alive for 250 million years.... #justsaying..


How does the earth look like 500 million years ago?

At the bottom of the planet it was one large landmass that was breaking apart


What will killer whales look like in 100000000 years from now?

Nobody can answer this question. There may be no whales by then who can say 65 million years ago dinosaurs ruled the Earth,


If you look far enough away can you see Earth in the past?

No. If you look far enough away, you will see OTHER objects in the past. For example, if a galaxy is ten million light-years away, the light of this galaxy took 10 million years to reach us, so we see this galaxy 10 million years ago. Earth's light, from millions of years ago, doesn't come back to us, since (roughly speaking) light travels in a straight line, and moves at the speed of light (300,000 km/sec).


What will North America look like 100 million years from now?

It is now known what North America look like 100 million years from now.


The distance to the Andromeda Galaxy has been measured by several methods and is about 2.4 million light years When we look at the Andromeda Galaxy how long ago was the galaxy in the form that we are?

Since the Andromeda Galaxy is about 2.4 million light years away, when we observe it, we are seeing it as it was 2.4 million years ago. This is because the light we see from the galaxy today has taken approximately 2.4 million years to travel from the galaxy to Earth.


How will the earth look in 10000 years?

earth will blablabla


What did Canada look like 60 million years ago?

60 million years ago Canada was a mass of ice.


What did earth look like 100 million years ago?

100 million years ago the continents were starting to take on their modern shapes. In this time dinosaurs were the dominant land animals and forests were widespread, with some even existing in Antarctica. There were no ice caps at the poles.


What will the earth look like in the next 250 million years?

Plate tectonics will probably cause Africa to collide with Europe and Australia will collide with south eastern Asia


How far away is earth from the Andromeda galaxy in kilometers in scientific notation?

The Great Galaxy in Andromeda (also known as the Andromeda Galaxy or M31) is about 2.5 million light years from Earth. When we look at this galaxy today, we see light that has been traveling through space for 2.5 million years; i.e. when we look at the Andromeda Galaxy, we are seeing it as it was about 2.5 million years ago! Think about this, we are looking back in time.1 light year is the distance that light travels in 1 year. Speed of light is 300,000 kilometers/second, find the distance that light travels from the Andromeda Galaxy to Earth in kilometers and express it in scientific notation.