Obs. : 2012-06-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.589e+11
Venus      4.693e+11
Earth      4.050e+11
Mars       4.469e+11
Jupiter    4.714e+11
Saturn     4.357e+11
Uranus     4.599e+11
Neptune    4.288e+11
Pluto      4.050e+11