8.611 light years away at the speed of light. You just answered your own question. A light year is a measurement of distance not time. If something is 8.611 light years away it means it will take light 8.611 years to reach Sirius. So the answer is 8.611.
Frontal Lobe. There are four lobes in the cerebral cortex: Frontal, Parietal, Temporal and Occipital. Somatic motor cortex is in Frontal lobe , somatic sensory cortex is in Parietal lobe, auditory cortex is in temporal lobe and visual cortex is in Occipital lobe. Was this helpful? Let the contributor know!
Motor cortex areas (lateral, dorsal, and medial views). The primary motor cortex is located immediately anterior to the central sulcus. Select from the boxes in the center to see larger views. The motor cortex comprises three different areas of the frontal lobe, immediately anterior to the central sulcus.