To express: the distance in miles.
The star nearest to our solar system is .
Proxima Centauri, the star nearest to our solar system, is 4.3 light-years away.
A notation in which a given quantity can be expressed as a number with significant digits required for a specified degree of accuracy and multiplied by 10 to the appropriate power.
The star nearest to our system is 4.3 light −years away
For a light year, the distance that light travels in one year is about 5900000000000 mi.
The star nearest to our solar system is
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