Obs. : 2015-05-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    5.179e+11
Venus      4.924e+11
Earth      4.789e+11
Mars       5.115e+11
Jupiter    4.760e+11
Saturn     4.577e+11
Uranus     5.140e+11
Neptune    5.135e+11
Pluto      4.948e+11