Obs. : 2014-06-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.796e+11
Venus      3.763e+11
Earth      3.872e+11
Mars       4.440e+11
Jupiter    3.900e+11
Saturn     4.280e+11
Uranus     3.641e+11
Neptune    3.579e+11
Pluto      3.817e+11