Category:Definitions/Light Year
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This category contains definitions related to Light Year.
The light year is a derived unit of length.
It is derived as the distance travelled by light in a vacuum over the course of $1$ Julian year ($365.25$ days).
It is defined as being exactly $9 \, 460 \, 730 \, 472 \, 580 \, 800$ metres.
\(\ds \) | \(\) | \(\ds 1\) | light year | |||||||||||
\(\ds \) | \(=\) | \(\ds 9 \, 460 \, 730 \, 472 \, 580 \, 800\) | metres | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 5 \cdotp 8786 \times 10^{12}\) | miles | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 632 \, 41 \cdotp 077\) | astronomical units | |||||||||||
\(\ds \) | \(\approx\) | \(\ds 0 \cdotp 3066\) | parsec |
Pages in category "Definitions/Light Year"
The following 5 pages are in this category, out of 5 total.