Obs. : 2014-07-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.100e+11
Venus      4.100e+11
Earth      4.678e+11
Mars       4.048e+11
Jupiter    3.691e+11
Saturn     4.128e+11
Uranus     4.861e+11
Neptune    4.870e+11
Pluto      4.678e+11