Obs. : 2015-11-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.301e+11
Venus      4.501e+11
Earth      4.705e+11
Mars       4.501e+11
Jupiter    4.497e+11
Saturn     4.301e+11
Uranus     4.732e+11
Neptune    4.553e+11
Pluto      4.275e+11