Obs. : 2015-03-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.782e+11
Venus      4.527e+11
Earth      5.220e+11
Mars       4.606e+11
Jupiter    4.976e+11
Saturn     4.990e+11
Uranus     4.692e+11
Neptune    4.793e+11
Pluto      4.807e+11