Obs. : 2017-03-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.767e+11
Venus      3.754e+11
Earth      3.711e+11
Mars       3.771e+11
Jupiter    3.734e+11
Saturn     3.666e+11
Uranus     3.764e+11
Neptune    3.726e+11
Pluto      3.667e+11