Obs. : 2017-03-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.786e+11
Venus      4.764e+11
Earth      4.559e+11
Mars       4.733e+11
Jupiter    4.608e+11
Saturn     4.677e+11
Uranus     4.733e+11
Neptune    4.786e+11
Pluto      4.714e+11