Obs. : 2016-02-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.426e+11
Venus      4.426e+11
Earth      4.218e+11
Mars       4.406e+11
Jupiter    4.314e+11
Saturn     4.428e+11
Uranus     4.189e+11
Neptune    4.294e+11
Pluto      4.445e+11