Obs. : 2012-03-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.203e+11
Venus      4.208e+11
Earth      4.313e+11
Mars       4.283e+11
Jupiter    4.216e+11
Saturn     4.327e+11
Uranus     4.203e+11
Neptune    4.199e+11
Pluto      4.224e+11