Obs. : 2016-01-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.426e+11
Venus      4.258e+11
Earth      4.122e+11
Mars       4.185e+11
Jupiter    4.105e+11
Saturn     4.258e+11
Uranus     4.263e+11
Neptune    4.408e+11
Pluto      4.433e+11