How many light years from Earth is the Andromeda galaxy?

Answer The Andromeda galaxy (M31) appears as a faint cloud within the constellation Andromeda to the unaided eye. Though this spiral galaxy lies between two and three million light years away, it has been... Read More »

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How many years would a radio signal take to reach the Andromeda galaxy?

In a vacuum, radio waves travel at the speed of light. Since the Andromeda galaxy, the closest galaxy to us, is 2.9 million light years away from Earth, it would take radio waves 2.9 million years ... Read More »

If you travel at 90% of the speed of light, how long will it take to reach the Andromeda Galaxy?

It would take 2.75 million years to reach the Andromeda Galaxy traveling at 90 percent of the speed of light. The galaxy is 2.5 million light years away; a light year is the amount of distance ligh... Read More »

How old is the andromeda galaxy?

The oldest stars in the Andromeda galaxy are 13 billion years old. Because of this, scientists have put the start of the formation of the Andromeda galaxy at the birth of those stars. Thus, the age... Read More »

How far is the Andromeda from our galaxy?

The distance between the Andromeda galaxy and our Milky Way galaxy is approximately 2 million light years, according to NASA. Other sources give the distance as 2.2 million light years or 2.5 milli... Read More »