Obs. : 2014-04-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.627e+11
Venus      3.652e+11
Earth      3.732e+11
Mars       3.553e+11
Jupiter    3.423e+11
Saturn     3.732e+11
Uranus     3.627e+11
Neptune    3.652e+11
Pluto      3.803e+11