How many light years away is the nearest star to the Sun?
Science medium Data from 2024
Guess before you scroll — the answer is below
The answer
4 light years
Roughly 4.2.
Proxima Centauri is 4.24 light years away. Travelling at the speed of the fastest spacecraft ever launched, the trip would take roughly 6,300 years. It is the closest star and it is still effectively unreachable.
Where this number comes from
| Source | European Space Agency |
|---|---|
| Figure refers to | 2024 |
| Last checked | |
| Unit | light years |
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