Obs. : 2011-05-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.147e+11
Venus      4.147e+11
Earth      4.315e+11
Mars       4.147e+11
Jupiter    4.147e+11
Saturn     4.390e+11
Uranus     4.268e+11
Neptune    4.248e+11
Pluto      4.256e+11