Obs. : 2015-08-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.830e+11
Venus      3.915e+11
Earth      4.321e+11
Mars       4.315e+11
Jupiter    3.915e+11
Saturn     4.176e+11
Uranus     4.398e+11
Neptune    4.326e+11
Pluto      4.281e+11