Obs. : 2016-04-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.017e+11
Venus      4.115e+11
Earth      4.122e+11
Mars       4.162e+11
Jupiter    4.127e+11
Saturn     4.156e+11
Uranus     4.017e+11
Neptune    4.128e+11
Pluto      4.139e+11