EDIT: Damnit, I can't stop reading this Rationalwiki website! Curse you! *Shakes fist*
Excellent, my work here is done.
But yeah, Herschel is pretty awesome, I think it's starting to send back some images back already, isn't it? And it's the Sun-Earth L2 right, not the Earth-moon one, otherwise that'd defy the point a bit.
Anyway, useless fact:
If the tracks on Queen's original studio albums are numbered in sequential order starting with their first, "'39" does in fact fall in the thirty-ninth position. The song is a reference to the twin paradox, which is what happens when you let astrophysicists form rock bands.