'A parsec is defined as: "the distance corresponding to a parallax of one arcsecond."
Posted by
prayformojo (aka mayhem)
Aug 19 '21, 08:39
|
While that might read like absolute gibberish, there is a rational explanation. A parallax is when a foreground object moves compared to a more distant background. By measuring the changing angles from the observer to the star and the background universe, you can calculate the distance.'
thanx for clearing that up, qotd!
|
Responses:
|