Obs. : 2013-12-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.327e+11
Venus      4.160e+11
Earth      3.835e+11
Mars       3.936e+11
Jupiter    3.838e+11
Saturn     4.091e+11
Uranus     3.738e+11
Neptune    3.902e+11
Pluto      4.255e+11