Obs. : 2011-03-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.284e+11
Venus      3.672e+11
Earth      4.173e+11
Mars       3.936e+11
Jupiter    4.197e+11
Saturn     3.988e+11
Uranus     3.936e+11
Neptune    3.672e+11
Pluto      3.534e+11