Explain xkcd: It's 'cause you're dumb.
Removed the part about L2 being in Earth's umbra. Although this is true, the JWST is not actually at L2; it revolves around L2, specifically to avoid being in the Earth's umbra (and the moon's) and therefore avoid changes in temperature.DKMell (talk) 17:52, 13 July 2022 (UTC)