מצפה הכוכבים ברקת - קוד מצפה רשמי Bareket observatory IAU B35 English

Light Year

Term תיאור
Light Year

A unit of distance, mainly used in the astronomy field. The distance light travels in a year, at the rate of 300,000 kilometers per second (671 million miles per hour). One light-year is equivalent to about 5,880,000,000,000 miles or 63,240 AU.