Obs. : 2016-03-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.218e+11
Venus      4.277e+11
Earth      4.184e+11
Mars       4.249e+11
Jupiter    4.094e+11
Saturn     4.249e+11
Uranus     4.219e+11
Neptune    4.277e+11
Pluto      4.261e+11