Obs. : 2015-05-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    5.106e+11
Venus      4.968e+11
Earth      4.667e+11
Mars       5.106e+11
Jupiter    4.810e+11
Saturn     4.507e+11
Uranus     5.039e+11
Neptune    5.008e+11
Pluto      4.771e+11