Obs. : 2019-02-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.480e+11
Venus      3.447e+11
Earth      3.460e+11
Mars       3.419e+11
Jupiter    3.443e+11
Saturn     3.447e+11
Uranus     3.419e+11
Neptune    3.445e+11
Pluto      3.447e+11