Obs. : 2016-04-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.008e+11
Venus      3.971e+11
Earth      4.125e+11
Mars       4.104e+11
Jupiter    4.017e+11
Saturn     4.104e+11
Uranus     3.975e+11
Neptune    3.960e+11
Pluto      4.021e+11