Obs. : 2014-11-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.496e+11
Venus      4.492e+11
Earth      4.156e+11
Mars       4.300e+11
Jupiter    4.318e+11
Saturn     4.492e+11
Uranus     4.159e+11
Neptune    4.206e+11
Pluto      4.300e+11