Obs. : 2015-06-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.534e+11
Venus      4.445e+11
Earth      5.015e+11
Mars       4.530e+11
Jupiter    4.444e+11
Saturn     4.757e+11
Uranus     4.672e+11
Neptune    5.075e+11
Pluto      5.077e+11