Obs. : 2018-06-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.694e+11
Venus      3.691e+11
Earth      3.726e+11
Mars       3.694e+11
Jupiter    3.762e+11
Saturn     3.716e+11
Uranus     3.737e+11
Neptune    3.711e+11
Pluto      3.705e+11