Obs. : 2012-02-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.081e+11
Venus      4.089e+11
Earth      3.931e+11
Mars       3.939e+11
Jupiter    4.073e+11
Saturn     3.968e+11
Uranus     4.089e+11
Neptune    4.081e+11
Pluto      4.067e+11