Obs. : 2016-05-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.131e+11
Venus      4.131e+11
Earth      4.142e+11
Mars       4.142e+11
Jupiter    4.175e+11
Saturn     4.125e+11
Uranus     4.138e+11
Neptune    4.136e+11
Pluto      4.164e+11