Obs. : 2012-02-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.323e+11
Venus      4.365e+11
Earth      4.241e+11
Mars       4.282e+11
Jupiter    4.326e+11
Saturn     4.202e+11
Uranus     4.365e+11
Neptune    4.212e+11
Pluto      4.122e+11