Obs. : 2014-05-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.222e+11
Venus      3.945e+11
Earth      4.025e+11
Mars       4.118e+11
Jupiter    4.370e+11
Saturn     4.044e+11
Uranus     3.844e+11
Neptune    3.864e+11
Pluto      4.009e+11