Obs. : 2012-02-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.390e+11
Venus      4.386e+11
Earth      4.329e+11
Mars       4.416e+11
Jupiter    4.225e+11
Saturn     4.366e+11
Uranus     4.328e+11
Neptune    4.424e+11
Pluto      4.311e+11