Obs. : 2014-11-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.929e+11
Venus      4.024e+11
Earth      4.064e+11
Mars       4.179e+11
Jupiter    3.957e+11
Saturn     3.929e+11
Uranus     4.191e+11
Neptune    4.218e+11
Pluto      4.152e+11