How long is a light-year?
Monday, May 12th, 2008You might be surprised to know that a light-year is just one normal Earth year long (a Julian year of 365.25 days)! Confused? Think of it this way, a light-year isn’t a measure of time, but a measure distance within a certain amount of time (a year).
If you’ve kept up with all my other posts on space, you’ll know [...]