Experience the Vastness of the Solar System: “Riding Light”

How long does it take a photon to travel from the sun to Jupiter?
183BeachDem
9/27/15 6:03:41 pm
re: #153 Stanley Sea Toujours The "kid" and I are going down to the beach at about 10:30 EDT (10:47 is supposed to be maximum visibility here.) Relatively clear night--hope it's good--will try to take pix but it might be ...