Obs. : 2015-02-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.797e+11
Venus      4.784e+11
Earth      4.698e+11
Mars       4.784e+11
Jupiter    4.698e+11
Saturn     4.415e+11
Uranus     4.746e+11
Neptune    4.789e+11
Pluto      4.606e+11