Obs. : 2016-07-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.139e+11
Venus      4.137e+11
Earth      3.793e+11
Mars       3.980e+11
Jupiter    4.113e+11
Saturn     3.923e+11
Uranus     3.771e+11
Neptune    3.694e+11
Pluto      3.793e+11