Obs. : 2011-12-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.902e+11
Venus      4.921e+11
Earth      4.925e+11
Mars       4.759e+11
Jupiter    5.163e+11
Saturn     4.805e+11
Uranus     5.185e+11
Neptune    5.159e+11
Pluto      4.921e+11