Obs. : 2014-04-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.946e+11
Venus      3.928e+11
Earth      3.968e+11
Mars       3.968e+11
Jupiter    4.129e+11
Saturn     4.061e+11
Uranus     4.036e+11
Neptune    3.921e+11
Pluto      4.018e+11