Obs. : 2013-02-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.164e+11
Venus      4.172e+11
Earth      4.221e+11
Mars       4.181e+11
Jupiter    4.117e+11
Saturn     4.376e+11
Uranus     4.155e+11
Neptune    4.181e+11
Pluto      4.255e+11