Obs. : 2023-01-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    1.007e+09
Venus      9.938e+08
Earth      9.415e+08
Mars       1.035e+09
Jupiter    1.005e+09
Saturn     9.938e+08
Uranus     1.025e+09
Neptune    9.983e+08
Pluto      1.008e+09