Obs. : 2016-01-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.287e+11
Venus      4.032e+11
Earth      4.394e+11
Mars       4.008e+11
Jupiter    4.181e+11
Saturn     4.032e+11
Uranus     4.304e+11
Neptune    4.335e+11
Pluto      4.166e+11