Obs. : 2014-04-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.938e+11
Venus      3.906e+11
Earth      3.578e+11
Mars       3.599e+11
Jupiter    3.672e+11
Saturn     3.597e+11
Uranus     3.929e+11
Neptune    3.930e+11
Pluto      3.777e+11