Obs. : 2010-03-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.866e+11
Venus      3.866e+11
Earth      3.672e+11
Mars       3.697e+11
Jupiter    3.750e+11
Saturn     3.654e+11
Uranus     3.845e+11
Neptune    3.676e+11
Pluto      3.633e+11