Obs. : 2018-11-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.515e+11
Venus      3.452e+11
Earth      3.489e+11
Mars       3.469e+11
Jupiter    3.476e+11
Saturn     3.516e+11
Uranus     3.482e+11
Neptune    3.469e+11
Pluto      3.516e+11