Light takes 4 years to travel from the nearby star Alpha Centauri to the Earth; consequently, what we see today on Earth happened 4 years ago on the stars of Alpha Centauri. <br />A closed timelike curve (CTC) is a conjectured path to the past. <br />The Higgs singlet is a hypothetical byproduct of the Higgs boson; the Higgs singlet only feels the single force of gravity. <br /><br />Thanks for watching. Follow for more videos. <br />#cosmosspacescience <br />#throughthewormhole <br />#season6 <br />#episode2 <br />#cosmology <br />#astronomy <br />#spacetime <br />#spacescience <br />#space <br />#nasa <br />#spacedocumentry <br />#morganfreeman <br />#timetravel <br />
