Obs. : 2015-11-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.350e+11
Venus      4.222e+11
Earth      4.362e+11
Mars       4.194e+11
Jupiter    4.197e+11
Saturn     4.350e+11
Uranus     4.567e+11
Neptune    4.725e+11
Pluto      4.572e+11