Obs. : 2014-05-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.191e+11
Venus      4.031e+11
Earth      3.852e+11
Mars       3.890e+11
Jupiter    4.248e+11
Saturn     3.876e+11
Uranus     3.985e+11
Neptune    3.902e+11
Pluto      3.846e+11