Obs. : 2015-01-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.382e+11
Venus      4.382e+11
Earth      4.440e+11
Mars       4.497e+11
Jupiter    4.362e+11
Saturn     4.094e+11
Uranus     4.653e+11
Neptune    4.600e+11
Pluto      4.146e+11