Science Rules! with Bill Nye

Are We Alone in the Universe?

To understand our role in the universe, we have to explore the cosmos. Astrophysicist and author Dr. Janna Levin guides us in exploring the origins of the cosmos, black holes, string theory, and more! Plus, Dr. Levin answers question from Hailey, who asks how we can measure a constantly-expanding universe, and from Victoria who’s been wondering if we’re…

Notes

• ▶ Why Should We Care About Where We Come From at 5:00 Share
• ▶ How Do We Know The Universe Is 13.8 Billion Years Old at 5:54 Share
• ▶ What Does Looking At The Galaxy Reveal To Us at 6:34 Share
• ▶ Can We Accurately Measure The Size Of The Universe at 8:37 Share
• ▶ Is There More Than One Universe at 9:57 Share
• ▶ Can You Have Multiple Infinite Universes at 14:04 Share
• ▶ Is There A Way To Tell If We Are Living In A Holographic Universe at 19:56 Share
• ▶ What Would Happen If The Universe Didn't Recycle Material at 25:20 Share
• ▶ From What We Can See, How Much Of It Makes Up The Universe at 27:43 Share
• ▶ What Is A Known Form Of Invisible Matter at 30:35 Share
• ▶ What Is String Theory at 31:40 Share
• ▶ What Does Every Particle In The Universe Have at 36:11 Share
• ▶ Is It Possible To Travel To The Past at 39:47 Share
• ▶ What Is One Of The Most Common Misconceptions About Space at 41:19 Share
• ▶ What Is One Thing We Should All Know About Space at 41:50 Share

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