Obs. : 2015-11-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.510e+11
Venus      4.271e+11
Earth      4.339e+11
Mars       4.221e+11
Jupiter    4.198e+11
Saturn     4.510e+11
Uranus     4.536e+11
Neptune    4.701e+11
Pluto      4.692e+11