Obs. : 2015-06-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.899e+11
Venus      4.228e+11
Earth      3.470e+11
Mars       3.948e+11
Jupiter    4.199e+11
Saturn     3.635e+11
Uranus     3.629e+11
Neptune    3.456e+11
Pluto      3.435e+11