Obs. : 2018-12-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.442e+11
Venus      3.410e+11
Earth      3.510e+11
Mars       3.515e+11
Jupiter    3.442e+11
Saturn     3.557e+11
Uranus     3.465e+11
Neptune    3.515e+11
Pluto      3.565e+11