Negative energy needed to travel faster than light in the speculative idea of the Alcubierre warp drive is "something that many scientists aren't even sure exists," narrates Freeman.
Freeman says a wormhole is a "rip in the fabric of space itself." However, wormholes may be a sci-fi fantasy. Leaving aside the huge quantities of the "exotic matter" of negative energy needed, Stephen Hsu has mathematically shown that any quantity of negative energy would be unstable and dangerous.
Spectral lines function similar to bar codes in helping us identify the composition of a star based on the light emitted by the star being studied. The Keck Telescope in Hawaii is used to look at the stars in the northern sky.
João Magueijo states that a variable speed of light can solve the homogeneity problem [that matter looks spread out evenly throughout the universe] others believe cosmic inflation provides the answer. Cosmic strings are proposed pathways where the speed of light may be faster.
Thanks for watching. Follow for more videos.
#cosmosspacescience
#throughthewormhole
#season2
#episode7
#cosmology
#astronomy
#spacetime
#spacescience
#nasa
#space
#spacedocumentary
#morganfreeman
#lightspeed
#canwetravelfasterthanlight
#travelwithspeedoflight
