Convert 840 Light Seconds to Astronomical Units
How far is 840 light seconds? How long is 840 light seconds in astronomical units? 840 light seconds to AU conversion.
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840 Light Seconds ≈
1.6833506 Astronomical Units
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Result in Plain English
840 light seconds is equal to about 1.68 astronomical units.
In Scientific Notation
840 light seconds
= 8.4 x 102 light seconds
≈ 1.68335 x 100 astronomical units
Light Seconds
A light second is the distance that light travels in one second. It is exactly 299,792.458 kilometers or about 186,000 miles.
Astronomical Units
An astronomical unit is the average distance between the Earth and the Sun. Estimates of this distance have varied over time. It is now defined as exactly 149,597,870.7 kilometers.