Obs. : 2018-06-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.158e+11
Venus      4.205e+11
Earth      4.249e+11
Mars       4.152e+11
Jupiter    4.278e+11
Saturn     4.184e+11
Uranus     4.177e+11
Neptune    4.112e+11
Pluto      4.168e+11