Obs. : 2010-06-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.824e+11
Venus      3.804e+11
Earth      3.847e+11
Mars       3.936e+11
Jupiter    3.768e+11
Saturn     3.981e+11
Uranus     3.768e+11
Neptune    3.789e+11
Pluto      3.917e+11