Obs. : 2016-06-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.194e+11
Venus      4.184e+11
Earth      4.002e+11
Mars       4.030e+11
Jupiter    4.032e+11
Saturn     4.002e+11
Uranus     4.158e+11
Neptune    4.073e+11
Pluto      4.093e+11