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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.

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Q: How far away is earth from the Andromeda galaxy in kilometers in scientific notation?
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Related questions

What is the scientific notation of the Andromeda Galaxy having at least 200000000000 stars?

This can be expressed as: "The Andromeda Galaxy contains at least 2 x 1011 stars".


What is the distance from the earth to the Andromeda galaxy in scientific notation?

It is 2.4*1019 kilometres away.


How far is the Andromeda galaxy from earth in kilometers?

The Andromeda Galaxy is about 24 000 000 000 000 000 000 km away from Earth.


Is the Andromeda galaxy an elliptical galaxy?

The Andromeda Galaxy is a spiral galaxy.


Why was it named the Andromeda galaxy?

Because the Andromeda Galaxy or M31 is a major galaxy and is found in the constellation Andromeda.


What is the shape of Andromeda?

The Andromeda Galaxy is a spiral galaxy, just like our own galaxy (the Milky Way).The Andromeda Galaxy is a spiral galaxy, just like our own galaxy (the Milky Way).The Andromeda Galaxy is a spiral galaxy, just like our own galaxy (the Milky Way).The Andromeda Galaxy is a spiral galaxy, just like our own galaxy (the Milky Way).


Is Andromeda a spiral galaxy?

Yes, the Andromeda Galaxy is a spiral.


What is the ISBN of The Andromeda Galaxy?

The ISBN of The Andromeda Galaxy is 0792316541.


In what constellation is a galaxy in?

The Andromeda Constellation has the Andromeda Galaxy within it.


When was The Andromeda Galaxy created?

The Andromeda Galaxy was created in 1992.


Does the speed of light allow the Andromeda Galaxy to emit a blue shift?

There is some blueshift in the Andromeda galaxy as it is moving toward us. The speed of the Andromeda Galaxy relative to the sun is about 300 kilometers per second or about 0.1% the speed of light. The blueshift would be detectable by instruments but not to the human eye.


How many kilometers is it from Earth to the Andromeda Galaxy?

That would be an immense number. Light, itself, takes about 2.54 million years to go from Andromeda to Earth. (Or vice-versa).The number of kilometers is about 23 quintillion.