Obs. : 2015-12-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.571e+11
Venus      4.461e+11
Earth      4.294e+11
Mars       4.415e+11
Jupiter    4.406e+11
Saturn     4.581e+11
Uranus     4.153e+11
Neptune    4.217e+11
Pluto      4.656e+11