Obs. : 2016-01-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.987e+11
Venus      3.874e+11
Earth      3.896e+11
Mars       3.863e+11
Jupiter    3.860e+11
Saturn     3.864e+11
Uranus     4.052e+11
Neptune    4.171e+11
Pluto      3.987e+11