Obs. : 2014-10-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.257e+11
Venus      4.257e+11
Earth      4.556e+11
Mars       4.179e+11
Jupiter    4.409e+11
Saturn     4.186e+11
Uranus     4.624e+11
Neptune    4.614e+11
Pluto      4.244e+11