Obs. : 2014-10-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.944e+11
Venus      3.944e+11
Earth      3.943e+11
Mars       3.841e+11
Jupiter    4.084e+11
Saturn     3.910e+11
Uranus     3.768e+11
Neptune    3.806e+11
Pluto      3.820e+11