Obs. : 2014-02-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.840e+11
Venus      3.939e+11
Earth      4.210e+11
Mars       4.120e+11
Jupiter    4.159e+11
Saturn     3.966e+11
Uranus     3.848e+11
Neptune    3.840e+11
Pluto      3.939e+11