Name: Neil deGrasse Tyson Knows How The World Will End
Uploaded: 2021-03-03T20:20:15.000Z
Duration: 5 min 2 s
Description: Thousands of YouTube videos with English-Chinese subtitles! Now you can learn to understand native speakers, expand your vocabulary, and improve your pronunciation...

WE'RE BACK WITH THE AUTHOR OF "COSMIC QUERIES," NEIL deGRASSE

IT'S CALLED "COSMIC QUERIES," OKAY, ADDRESSING QUESTIONS LIKE,

WHAT IS YOUR FAVORITE BIG QUESTION TO PONDER, NEIL TYSON?

>> YEAH, SO, I HAVE MANY BIG QUESTIONS TO PONDER.

WHAT I LIKE ABOUT BIG QUESTIONS IS THAT THEY DON'T-- YOU CAN'T

THEY'RE THESE DANGLING EDGES THAT FORCE YOU TO KEEP THINKING

SO THERE'S HOW EARTH ENDS, BUT THAT'S BORING.

BUT HOW WILL THE UNIVERSE -- >> Stephen: WAIT, HOW WILL

SO THE SUN EXPANDS, EARTH GETS HOT, OCEANS ENTER A ROLLING

AND EARTH BECOMES THIS CHARRED EMBER AS WE DESCEND INTO THE

OKAY, NOW WHAT'S THE BIG ENDING YOU'RE TALKING ABOUT?

>> THE BIG ENDING-- NO, THE UNIVERSE IS ACCELERATING IN ITS

EXPANSION, WHICH SOUNDS PEACEFUL ENOUGH, OKAY.

I DON'T-- I DON'T HAVE A PROBLEM WITH THAT.

UNTIL YOU REALIZE THAT THAT ACCELERATION WILL NOT ONLY

OCCUPANT STRIP ALL GRAVITATIONAL FORCES CURRENTLY HOLDING THINGS

IF THAT ACCELERATION CONTINUES -- AND THERE'S NO REAL REASON TO

DOUBT IT AT THIS POINT-- IT WILL EVENTUALLY OVERCOME MOLECULAR

BONDS THAT ARE HOLDING YOUR FLESH TOGETHER.

>> Stephen: WAIT A SECOND-- >> I'M NOT DONE.

>> Stephen: ARE YOU SAYING I'M EXPANDING, TOO?

>> NOT YET, BECAUSE THE MOLECULAR FORCES REMAIN STRONGER

THAN THE ACCELERATING FORCES IN THE UNIVERSE.

BUT THE ACCELERATING FORCES WILL CONTINUE TO GAIN STRENGTH AS WE

AND THE BIGGER THE UNIVERSE, IS THE MORE VACUUM WE HAVE.

ASK THIS WILL CONTINUE, RIP YOUR MOLECULES APART, AND THEN IT

AND THEN THERE'S A POINT WHERE IT RIPS-- I SHOULDN'T SAY RIP.

THEN THE VERY FABRIC OF SPACE AND TIME ITSELF WILL FALL VICTIM

AND I AM TERRIFIED WHAT THAT WOULD LOOK LIKE AND WHAT WOULD

AND I LAY WEAK AT NIGHT LOOKING UP AT THE CEILING WONDERING.

>> Stephen: WOULDN'T THERE BE SOME TREMENDOUS RELEASE OF

ENERGY ON EACH OF THESE BONDS BEING TORN?

>> SO, WHAT HAPPENS IS YOU GET THE-- SO, THERE ARE OTHER

SCENARIOS IN THE UNIVERSE WHERE YOU HAVE TREMENDOUS RELEASES OF

ENERGY, AND YOU MAKE BASICALLY OTHER BIG BANGZ.

BY THE WAY, THERE ARE LAYERS OF MULTIVERSES THAT ARE CURRENTLY

JUST REASON MY WAY TONDING THE MULTIVERSE, NEIL?

YOU WERE-- I WILL GIVE YOU A B-PLUS ON WHERE YOU WERE HEADED.

>> Stephen: I BOAT A BITTY VERSE, A LITTLE BITTY VERSE.

>> Stephen: WHY ARE THESE EXPANSIONS ACCELERATING?

AND WE CALL THE THING THAT'S MAKING THAT HAPPEN "DARK

IT IS DARK, AND WE DON'T KNOW WHAT IT'S MADE OF OF.

IT'S CALLED DARK ENERGY, BUT WE DON'T REALLY KNOW-- BUT WE CAN

AND IT IS HAPPENING, AND IT IS CURRENTLY OUTSTRIPPING GRAVITY

SO, YEAH-- SO, SO-- IF WE DON'T HAVE THE BIG RIP AND WE JUST

EXPAND INTO WHAT WE CALL THE HEAT DEATH, WHERE WE APPROACH

ABSOLUTELY ZERO AND NOTHING HAPPENS, THEN THE-- HOW WILL THE

>> Stephen: WELL, NEIL, ON THAT POETIC NOTE, THANK YOU SO

MUCH FOR BEING HERE "COSMIC QUERIES: STARTALK'S

GUIDE TO WHO WE ARE, HOW WE GOT HERE, AND WHERE WE'RE GOING" IS

PONDER THE BIGGIES WITH NEIL  deGRASSE TYSON.

Subtitles ListPlay Video

Neil deGrasse Tyson Knows How The World Will End

eventually

approach

tremendous

basically