Obs. : 2014-12-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.242e+11
Venus      4.207e+11
Earth      3.924e+11
Mars       4.143e+11
Jupiter    3.905e+11
Saturn     4.242e+11
Uranus     4.109e+11
Neptune    4.144e+11
Pluto      4.173e+11