Obs. : 2012-02-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.041e+11
Venus      4.115e+11
Earth      3.939e+11
Mars       3.935e+11
Jupiter    4.045e+11
Saturn     3.985e+11
Uranus     4.115e+11
Neptune    4.102e+11
Pluto      4.025e+11