Obs. : 2014-02-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.025e+11
Venus      4.096e+11
Earth      4.257e+11
Mars       4.437e+11
Jupiter    4.139e+11
Saturn     4.294e+11
Uranus     3.973e+11
Neptune    4.025e+11
Pluto      4.096e+11