Obs. : 2014-05-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.005e+11
Venus      4.029e+11
Earth      4.119e+11
Mars       3.885e+11
Jupiter    4.003e+11
Saturn     4.065e+11
Uranus     4.029e+11
Neptune    4.122e+11
Pluto      4.211e+11