Obs. : 2014-09-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.050e+11
Venus      4.087e+11
Earth      4.041e+11
Mars       4.007e+11
Jupiter    4.070e+11
Saturn     4.017e+11
Uranus     4.032e+11
Neptune    4.041e+11
Pluto      3.977e+11