Obs. : 2014-07-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.335e+11
Venus      4.335e+11
Earth      4.566e+11
Mars       4.103e+11
Jupiter    3.839e+11
Saturn     4.180e+11
Uranus     5.106e+11
Neptune    5.043e+11
Pluto      4.750e+11