Light Year Practice

Question

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Polaris is 400 ly from Earth. Calculate the distance from Earth to Polaris in kilometres.

Guest Jan 5, 2016

edited by Guest Jan 5, 2016

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Best Answer

$1ly$ is approximately equal to $9,460,000,000,000km$

$9,460,000,000,000km\times400$

$3,784,000,000,000,000km$

The distance from Earth to Polaris is approximately $3,84,000,000,000,000km$

gibsonj338 Jan 5, 2016

gibsonj338 · Answer 1 · 2016-01-05T10:21:31

$1ly$ is approximately equal to $9,460,000,000,000km$

$9,460,000,000,000km\times400$

$3,784,000,000,000,000km$

The distance from Earth to Polaris is approximately $3,84,000,000,000,000km$

Guest · Answer 2 · 2016-01-05T10:25:34

Light year=365 X 24 X 3,600 X 299,792.458=9,454,254,955,488 Kilometers. Therefore,

400 X 9,454,254,955,488=3,781,701,982,195,200 km-distance to Polaris=~3.8 X 10^15 km.