Obs. : 2016-05-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.158e+11
Venus      4.169e+11
Earth      4.161e+11
Mars       4.161e+11
Jupiter    4.087e+11
Saturn     4.161e+11
Uranus     4.143e+11
Neptune    4.151e+11
Pluto      4.212e+11