Obs. : 2016-04-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.148e+11
Venus      4.252e+11
Earth      4.162e+11
Mars       4.174e+11
Jupiter    4.201e+11
Saturn     4.169e+11
Uranus     4.148e+11
Neptune    4.240e+11
Pluto      4.207e+11