So let me give you some context. Light itself takes 4.6 hours to travel from the Earth to Pluto. If you wanted to send a signal to Pluto, it would take 4.6 hours for your transmission to reach Pluto, and then an additional 4.6 hours for their message to return to us. Let's talk spacecraft.t its closest point, known as perihelion, Pluto is only 4.4 billion kilometers out. That's nearly 30 AU, or 30 times the distance from the Earth to the sun. Pluto last reached this point on September 5th, 1989.
Instead, the postganglionic axon extends away from the sympathetic trunk ganglion and goes directly to the effector organ. The esophagus, heart, lungs, and thoracic blood vessels typically receive their sympathetic innervation from this pathway.any visceral effectors have dual innervation, meaning that they are innervated by postganglionic axons from both ANS divisions. The actions of the divisions usually oppose each other, and so they are said to exert antagonistic effects on the same organ.
In short, stimulation of the sympathetic branch of the autonomic nervous system prepares the body for emergencies: for  fight or flight  (and, perhaps, enhances the memory of the event that triggered the response).1  a single preganglionic neuron usually synapses with many postganglionic neurons; The first, the preganglionic neurons, arise in the CNS and run to a ganglion in the body. 2  Here they synapse with. 3  postganglionic neurons, which run to the effector organ (cardiac muscle, smooth muscle, or a gland). 4  sympathetic nervous system and the. 5  parasympathetic nervous system.