Obs. : 2014-06-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.738e+11
Venus      3.831e+11
Earth      4.208e+11
Mars       3.997e+11
Jupiter    3.750e+11
Saturn     4.094e+11
Uranus     3.960e+11
Neptune    4.066e+11
Pluto      4.172e+11