Obs. : 2015-12-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    5.053e+11
Venus      4.636e+11
Earth      5.336e+11
Mars       4.644e+11
Jupiter    4.695e+11
Saturn     4.945e+11
Uranus     5.129e+11
Neptune    5.178e+11
Pluto      5.011e+11