Obs. : 2014-10-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.252e+11
Venus      4.227e+11
Earth      4.233e+11
Mars       4.474e+11
Jupiter    4.255e+11
Saturn     4.241e+11
Uranus     4.478e+11
Neptune    4.566e+11
Pluto      4.528e+11