Obs. : 2016-03-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    2.151e+11
Venus      2.162e+11
Earth      2.308e+11
Mars       2.216e+11
Jupiter    2.308e+11
Saturn     2.208e+11
Uranus     2.034e+11
Neptune    2.151e+11
Pluto      2.175e+11