Light Year

Of astronomy unit.   May also be referred to as light-year.

The distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers.

This concept's ID is @1~68472

Astronomy Unit

  • light hour 0 facts

    The distance light travels in a vacuum in one hour; approximately one billion kilome...

  • light minute 0 facts

    The distance light travels in a vacuum in one minute; approximately 18 million kil...

  • light second 0 facts

    The distance light travels in a vacuum in one second; approximately 300,000 kilome...