Obs. : 2012-07-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.640e+11
Venus      4.376e+11
Earth      4.460e+11
Mars       4.902e+11
Jupiter    4.376e+11
Saturn     4.867e+11
Uranus     4.189e+11
Neptune    4.243e+11
Pluto      4.581e+11