Obs. : 2011-06-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.015e+11
Venus      4.006e+11
Earth      4.010e+11
Mars       4.006e+11
Jupiter    4.134e+11
Saturn     3.864e+11
Uranus     4.141e+11
Neptune    4.085e+11
Pluto      4.010e+11