Obs. : 2013-02-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.130e+11
Venus      4.215e+11
Earth      4.151e+11
Mars       4.153e+11
Jupiter    4.110e+11
Saturn     4.124e+11
Uranus     4.120e+11
Neptune    4.153e+11
Pluto      4.222e+11