Obs. : 2014-04-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.269e+11
Venus      4.184e+11
Earth      4.166e+11
Mars       4.219e+11
Jupiter    4.642e+11
Saturn     4.166e+11
Uranus     4.195e+11
Neptune    4.151e+11
Pluto      4.153e+11