Obs. : 2014-04-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.656e+11
Venus      3.725e+11
Earth      3.599e+11
Mars       3.487e+11
Jupiter    3.566e+11
Saturn     3.599e+11
Uranus     3.656e+11
Neptune    3.725e+11
Pluto      3.803e+11