Obs. : 2018-03-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.060e+11
Venus      3.060e+11
Earth      2.983e+11
Mars       2.988e+11
Jupiter    2.980e+11
Saturn     2.988e+11
Uranus     3.060e+11
Neptune    3.062e+11
Pluto      2.986e+11