V391 Pegasi b is a star that is 4.3235538 x 10^16 Kilometers away from Earth.
Given that, V391 Pegasi b is a star that is 4,570 light years away from Earth.
How to convert light years to kilometres?
A light year is a distance that light travels in one year. The year used by the International Astronomical Union is 365.25 days. Therefore a light year is exactly 9,460,730,472,580.8 kilometers.
Now, 4,570 Light Years =4570×9,460,730,472,580.8
=4.3235538 x 10^16 Kilometers
Therefore, V391 Pegasi b is a star that is 4.3235538 x 10^16 Kilometers away from Earth.
To learn more about the distance visit:
https://brainly.com/question/15172156.
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