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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 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.
How can we see the past?
Look at very distant objects. Although it is not a good idea to look directly at the sun (you can seriously damage your eyes), the light from the sun takes around 8 minutes to get to the earth. So you are looking at the sun as it was 8 minutes ago. Look at the nearest star (Proxima Centauri) and you are looking 4.24 years into the past.Other objects that can be seen relatively easily with the naked eye, are the Andromeda Galaxy (2.25 million years), Triangulum Spiral Galaxy (2.78 million years).Finally, the Hubble Space Telescope has spotted a galaxy which is 13.5 billion years light years away: that is, we see it as it was 13.5 billion years ago, or 9 billion years before the earth was formed!
How will the earth look like 200 million years from now?
It won't be here ! Scientists estimate our sun has about 6,000 years left until it balloons into a red-giant, before exploding into a supernova - which will wipe out all but the outer-most planets. Additionally, the galaxy Andromeda is on a collision course with our Milky Way. This collision will all-but destroy all traces of our solar system.
Why do you think the Moon's surface is different from the earth?
Because when I look up from the Earth, the surface of the Moon looks like nothing on Earth.
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 North America look like 100 million years from now?
It is now known what North America look like 100 million years from now.
How did the earth look scientifically 600 million years ago?
didn't exist
Will earth look the same in one million years as it does now.How do you know?
YES
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,
What did Canada look like 60 million years ago?
60 million years ago Canada was a mass of ice.
What did the earth look like a gazillion years ago?
like nothing.
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 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.
What will the Andes look like in 100 million years?
A Big Rocky moutain
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.
