Obs. : 2014-02-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.888e+11
Venus      4.557e+11
Earth      4.400e+11
Mars       4.318e+11
Jupiter    4.382e+11
Saturn     4.308e+11
Uranus     4.867e+11
Neptune    5.036e+11
Pluto      4.413e+11