Obs. : 2014-02-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.898e+11
Venus      3.970e+11
Earth      4.214e+11
Mars       4.280e+11
Jupiter    4.100e+11
Saturn     4.140e+11
Uranus     3.867e+11
Neptune    3.898e+11
Pluto      3.970e+11