Obs. : 2015-11-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.652e+11
Venus      4.761e+11
Earth      4.171e+11
Mars       4.761e+11
Jupiter    4.761e+11
Saturn     4.460e+11
Uranus     4.128e+11
Neptune    4.183e+11
Pluto      4.258e+11