An interesting question: if you look up in the Earth’s sky with the naked eye, assuming you have a healthy vision, how far away can you see? Could you see beyond the Milky Way galaxy, for example?
Andromeda Galaxy is the farthest object in the sky that we can see with the naked eye. It is approximately 2.5 million light-years (770 kiloparsecs) from Earth and the nearest large galaxy to the Milky Way.
So, you can see 2.5 million light-years away if you look in the sky with the naked eye.
2.5 million light-years distance is equivalent to about 23.65 billion trillion kilometers (2.36×1022 km) or 14.7 billion trillion miles (1.47×1022 mi).
1 billion trillions = 1 sextillion
Sources
- No Stupid Questions: How far away can you see when you look in the sky? on Reddit
- Andromeda Galaxy on Wikipedia
I am a software developer and a science enthusiast. I was graduated from the Istanbul Technical University (ITU), Computer Engineering. In the past, I worked at the Istanbul Technical University Science Center as a science instructor. I write about the planet Earth and science on this website, ourplnt.com. I am also an animal lover! I take care of stray cats & dogs. This website's all income goes directly to our furry friends. Please consider supporting me on Patreon, so I can help more animals!
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