Obs. : 2016-06-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.956e+11
Venus      3.952e+11
Earth      3.913e+11
Mars       3.915e+11
Jupiter    3.855e+11
Saturn     3.913e+11
Uranus     3.827e+11
Neptune    3.751e+11
Pluto      3.837e+11