Obs. : 2014-01-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.137e+11
Venus      4.135e+11
Earth      3.977e+11
Mars       4.135e+11
Jupiter    3.983e+11
Saturn     4.181e+11
Uranus     4.077e+11
Neptune    4.086e+11
Pluto      4.167e+11