Measuring the time it takes for the Sun's light to reach us Oct 20, 2017 20:38:50 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Tiago on Oct 20, 2017 20:38:50 GMT Measuring the time it takes for the Sun's light to reach us (PDF)...Measuring the time it takes for the Suns li....pdf (139.64 KB)