Obs. : 2014-01-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.089e+11
Venus      4.089e+11
Earth      4.422e+11
Mars       4.300e+11
Jupiter    4.422e+11
Saturn     4.142e+11
Uranus     4.022e+11
Neptune    3.993e+11
Pluto      4.092e+11