Obs. : 2020-03-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.255e+08
Venus      5.973e+08
Earth      6.151e+08
Mars       6.141e+08
Jupiter    6.156e+08
Saturn     6.156e+08
Uranus     5.973e+08
Neptune    6.218e+08
Pluto      6.156e+08