Obs. : 2014-01-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.896e+11
Venus      3.896e+11
Earth      4.281e+11
Mars       4.411e+11
Jupiter    4.308e+11
Saturn     4.225e+11
Uranus     4.058e+11
Neptune    3.969e+11
Pluto      3.958e+11