Obs. : 2016-10-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.996e+11
Venus      3.793e+11
Earth      4.073e+11
Mars       3.876e+11
Jupiter    3.953e+11
Saturn     3.778e+11
Uranus     4.096e+11
Neptune    4.054e+11
Pluto      3.934e+11