Obs. : 2016-10-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.809e+11
Venus      3.759e+11
Earth      3.866e+11
Mars       3.748e+11
Jupiter    3.836e+11
Saturn     3.759e+11
Uranus     3.790e+11
Neptune    3.796e+11
Pluto      3.742e+11