動画一般

なぜ宇宙は黒いのか?(2分英語)

投稿日:

誰しもが空を見て一度は考えたことがあるはずだ。 なぜ宇宙は黒いのか? その答えはこちらの動画を御覧ください。 Have you ever looked up in the night sky and wondered, “Why is space black?” Follow Julian on Twitter: https://twitter.com/jhug00 Read More: Why is space black? http://phys.org/news/2014-12-space-black.html “If you've done your homework, you know that space is huge. It even be infinite, which is much bigger than huge.” How could the universe expand faster than the speed of light? That seems impossible! http://scienceline.org/2007/07/ask-romero-speedoflight/ “In science fiction universes, traveling the galaxy is a snap – just engage the ‘warp’ or ‘hyperspeed’ drive, and off you go, cruising the cosmos at several times the speed of light.” How can the universe expand faster than the speed of light? http://www.askamathematician.com/2014/03/q-how-can-the-universe-expand-faster-than-the-speed-of-light/ “There are two big things to remember about the expansion of the universe. First, the universe doesn’t expand at a particular speed, it expands at a speed per distance.” 1929: Edwin Hubble Discovers the Universe is Expanding https://cosmology.carnegiescience.edu/timeline/1929 “When Edwin Hubble was hired to work at Mount Wilson Observatory in 1919 (part of the Observatories of the Carnegie Institution of Washington) as a junior astronomer, the most pressing question of the day concerned the nature of the cloudy patches called nebulae.” Cosmic Microwave Background Radiation http://en.wikipedia.org/wiki/Cosmic_microwave_background#History Holmdel Horn Antenna: Where the embers of the Big Bang were first detected http://www.atlasobscura.com/places/holmdel-horn-antenna “In the 1950s, the scientific community was split by two competing theories explaining the origin of the universe.” ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Trace Dominguez on Twitter https://twitter.com/tracedominguez Tara Long on Twitter https://twitter.com/TaraLongest DNews on Facebook https://facebook.com/DiscoveryNews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq

元の記事を見る

-動画一般

Copyright© バイラルアンテナ , 2020 AllRights Reserved Powered by AFFINGER4.