Obs. : 2015-01-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.078e+11
Venus      4.078e+11
Earth      4.376e+11
Mars       4.063e+11
Jupiter    4.635e+11
Saturn     4.445e+11
Uranus     4.141e+11
Neptune    4.063e+11
Pluto      4.238e+11