Obs. : 2013-03-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.961e+11
Venus      3.961e+11
Earth      4.463e+11
Mars       3.935e+11
Jupiter    3.951e+11
Saturn     4.339e+11
Uranus     3.935e+11
Neptune    3.963e+11
Pluto      4.062e+11