Obs. : 2012-03-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.109e+11
Venus      4.158e+11
Earth      4.209e+11
Mars       4.209e+11
Jupiter    4.135e+11
Saturn     4.098e+11
Uranus     4.091e+11
Neptune    4.119e+11
Pluto      4.074e+11