Obs. : 2014-06-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.136e+11
Venus      3.692e+11
Earth      4.040e+11
Mars       4.169e+11
Jupiter    4.268e+11
Saturn     4.029e+11
Uranus     3.671e+11
Neptune    3.862e+11
Pluto      3.977e+11