Obs. : 2017-03-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.766e+11
Venus      3.741e+11
Earth      3.625e+11
Mars       3.682e+11
Jupiter    3.632e+11
Saturn     3.742e+11
Uranus     3.682e+11
Neptune    3.806e+11
Pluto      3.731e+11