Obs. : 2011-02-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.953e+11
Venus      3.800e+11
Earth      3.644e+11
Mars       3.952e+11
Jupiter    3.979e+11
Saturn     3.515e+11
Uranus     3.979e+11
Neptune    3.952e+11
Pluto      3.642e+11