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The Mystery That Keeps Neil deGrasse Tyson Up At Night

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09:00   |   Jan 06, 2018

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The Mystery That Keeps Neil deGrasse Tyson Up At Night
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  • MY FIRST GUEST TONIGHT IS THE BELOVE THE
  • ASTROPHYSICIST, AUTHOR, AND DIRECTOR OF THE HAYDEN
  • PLANETARIUM AT THE MUSEUM OF NATURAL HISTORY.
  • PLEASE WELCOME MY FRIEND, NEIL DEGRASSE TYSON!
  • ( CHEERS AND APPLAUSE ) ♪ ♪ ♪
  • GOOD TO SEE YOU.
  • ( CHEERS AND APPLAUSE ) >> Stephen: NEIL.
  • >> BEAUTIFUL-- I LOVE THE STARS.
  • >> Stephen: JUST FOR YOU, MY FRIEND, JUST FOR YOU.
  • >> LOVE WHAT YOU'VE DONE WITH THE PLACE.
  • >> Stephen: THANK YOU VERY MUCH.
  • >> THANK YOU.
  • >> Stephen: NOW, ON THE OLD GIG OVER ON THE OTHER NETWORK,
  • UPPER THE GUEST I HAD MORE THAN ANY OTHER GUEST.
  • >> REALLY?
  • >> Stephen: YEAH-- YOU KNOW, YOU KNOW THAT --
  • >> COULD IT BE THAT I LIVE NEARBY, SO I WAS A CHEAP DATE?
  • >> Stephen: COULD IT BE WE MOVED THE STUDIO SOME PLACE
  • CLOSE TO YOU SO WE COULD BE NEAR YOU, NEIL.
  • I JUST FOUND OUT YOU'RE ALSO-- YOU'RE HOLDING A VAST LEAD ON
  • ANYBODY ELSE ON THIS SHOW.
  • YOU'VE BEEN ON NINE TIMES.
  • NINE TIMES!
  • ( CHEERS AND APPLAUSE ) NUMBER TWO.
  • DO YOU KNOW WHO NUMBER TWO IS.
  • >> NO.
  • >> Stephen: JOHN OLIVER.
  • >> IS THAT RIGHT?
  • >> Stephen: SIX.
  • >> OKAY, OKAY.
  • >> Stephen: BUT THANK YOU VERY MUCH.
  • >> BUT THE UNIVERSE IS VASTER THAN ANYTHING ELSE IN THE
  • UNIVERSE.
  • ( LAUGHTER ).
  • >> Stephen: WHAT?
  • WHAT DOES THAT MEAN?
  • DON'T PRE-BLOW MY MIND.
  • DON'T PRE-BLOW MY MIND BEFORE I'M READY FOR IT.
  • WE HAVE TO LOT TO DO HERE.
  • >> THERE'S A LOT IN THE UNIVERSE TO TALK ABOUT, RELATIVE TO
  • ANYTHING ELSE IN THE UNIVERSE.
  • >> Stephen: FIRST OF ALL, HAPPY NEW YEAR.
  • >> THANK YOU, HAPPY NEW YEAR TO YOU.
  • >> Stephen: NOW, DOES THE NEW YEAR HAVE ANY PARTICULAR
  • ASTRONOMICAL SIGNIFICANCE?
  • >> NO.
  • >> Stephen: WHY NOT?
  • >> NOT, NOT -- >> Stephen: WE'VE GONE AROUND
  • THE SUN ONCE.
  • >> THE PLACE WHERE WE RETURN TO, THERE'S NOTHING SPECIAL OR
  • INTERESTING ABOUT IT.
  • IT'S A COMPLETELY ARBITRARY SPOT ON THE CALENDAR THAT WE HAVE
  • CHOSEN TO CELEBRATE THE NEW YEAR.
  • PLUS IT'S-- I THINK IT'S A LITTLE WEIRD THAT WE ALL
  • CELEBRATE THAT INSTANT THAT THE BALL DROPS, AND THEN ONE HOUR
  • LATER, THEY CELEBRATE EXACTLY THE SAME THING, AND THEN AN HOUR
  • LATER, AN HOUR LATER-- THEY DO THAT 24 TIMES AROUND THE WORLD.
  • >> Stephen: I KNOW HOW CLOCKS WORK, NEIL.
  • ( LAUGHTER ).
  • >> THE WORLD IS NOT CELEBRATING THE SAME MOMENT.
  • IT'S KIND OF-- IT'S ODD TO ME AS AN ASTROPHYSICIST.
  • BUT THAT'S FINE.
  • IT'S CULTURE.
  • THAT'S HOW WE DO IT.
  • >> Stephen: COULD YOU BE MORE NEIL DEGRASSE TYSON RIGHT NOW?
  • YOU LIVE-- YOU LIVE TO SUCK THE JOY OUT OF OTHER PEOPLE'S
  • TRADITIONS.
  • >> NO, NO.
  • >> Stephen: WHAT DO YOU LOVE?
  • WHAT IS WORTH CELEBRATING?
  • IF IT'S NOT NEW YEAR'S-- >> ALMOST EVERY OTHER HOLIDAY IN
  • THE YEAR HAS SOME ASTRONOMICAL BASIS.
  • THE CHINESE NEW YEAR, THE JEWISH NEW YEAR, RAMADAN, EASTER, LENT
  • -- >> Stephen: TOYOTATHON.
  • ALL OF IT!
  • >> ALL OF IT.
  • SATURNALIA.
  • CHRISTMAS -- >> Stephen: WHAT DOES
  • SATURNALIA HAVE?
  • >> SATURNALIA, IT'S BACK IN THE WINTER IT'S SUN IS GETTING LOWER
  • AND LOWER IN THE SKY EACH DAY AND WORRY THAT MAYBE IT WILL
  • NEVER COME BACK.
  • >> Stephen: IS SATURN GETTING HIGHER IN THE SKY?
  • >> NO BUT SATURN IS THE GOD YOU PLAY TO AND CELEBRATE.
  • SO SATURNALIA EVERYTHING SLIPS, THE MIDDLE EASTER SERVES THE
  • SLAVES, THE SLAVES GIVE COMMANDS.
  • IT'S AN INTERESTING ROMAN TRADITION THAT IS LONG GONE.
  • >> Stephen: ALL RIGHT.
  • >> BUT I'M SAYING IT'S IN THAT TIME OF THE YEAR WHERE THE SUN
  • IS BASICALLY REBORN, SO IT'S SOLSTICE CELEBRATIONS.
  • AND CHRISTMAS WAS PUT THERE TO BE A GOOD PLACE TO SORT OF BRING
  • IN ALL THE PAYING AN WORSHIPERS, WHO WERE ALREADY CELEBRATING
  • THAT TIME OF YEAR.
  • >> Stephen: AND IT WORKED.
  • >> IT WORK, OH, YEAH.
  • >> Stephen: WE WON.
  • SO 2018, WHAT'S GOT YOU EXCITED FOR 2018.
  • ( LAUGHTER ) WE WON.
  • WHAT ARE YOU TALKING ABOUT?
  • WE WON.
  • WHAT'S GOT YOU EXCITED-- >> WAIT, JUST TO BE CLEAR.
  • >> Stephen: OKAY.
  • >> YOU NOT ONLY WON THERE.
  • YOU WON THE CALENDAR RACE, TOO.
  • >> Stephen: HUH?
  • >> THE WORLD'S CALENDAR IS THE GREGORIAN CALENDAR AFTER POPE
  • GREGORY PUT IN PLACE IN 1582.
  • THE PREVIOUS JULIAN CALENDAR WAS MESSING UP IN THE YEAR.
  • >> Stephen: IT WAS OFF-- >> BY 10 DAYS!
  • AND THE POPE SAID, "WE'VE GOT TO FIX THIS."
  • >> Stephen: THE POPE FIXED IT?
  • >> WELL, POPE, JESUIT SCIENTISTS, JESUIT PRIESTS WERE
  • THE ACADEMIC ORDER OF THE CATHOLIC-- YOU'RE CATHOLIC.
  • YOU SHOULD BE TEACHING THIS, OKAY?
  • ( LAUGHTER ).
  • >> Stephen: I'M AWARE OF MY RELIGION.
  • >> OKAY!
  • SO THERE'S A VATICAN OBSERVATORY TO THIS DAY THAT THAT AT THE
  • TIME, BEFORE TELESCOPES WERE INVENTED, THESE JESUIT PRIESTS
  • WERE PUT INTO THE SERVICE OF FIGURING OUT WHY THE CALENDAR
  • WAS SHIFTING IN THE YEAR.
  • >> Stephen: AM I CORRECT IN SAYING THAT IT WAS A CATHOLIC
  • PRIEST WHO FIRST PROPOSED THE IDEA OF THE BIG BANG?
  • >> YES, GEORGE LEMATRE, THE BIG BANG ITSELF, USING EINSTEIN'S
  • EQUATIONS.
  • EINSTEIN COULD HAVE DONE IT, BUT HE DID ENOUGH.
  • >> Stephen: HE WAS BUSY.
  • >> LAID DOWN THE EQUATIONS.
  • OTHER PEOPLE CALCULATED WITH HIS EQUATIONS AND HE DEDUCED THE
  • HISTORY OF THE UNIVERSE MUST HAVE START WADE BANG.
  • >> Stephen: OKAY.
  • GOING TO 2018-- >> SO CATHOLICS HAVE BEEN IN
  • THERE IN MULTIPLE -- >> Stephen: YOU DON'T HAVE TO
  • TELL ME.
  • >> OKAY.
  • >> Stephen: I'M TEAM R.C.
  • NOW-- >> TEAM ROMAN CATHOLIC.
  • >> Stephen: YES, OKAY.
  • ( APPLAUSE ) NOW-- YOU'RE-- YOU'RE WALKING
  • FOOTNOTE, NEIL DEGRASSE TYSON.
  • >> I DIDN'T THINK YOU BROUGHT PEOPLE WITH YOU ON THAT COMMENT.
  • SO I WAS JUST HELPING IT OUT.
  • >> Stephen: YOU WERE WITH ME.
  • ( CHEERS AND APPLAUSE ) OKAY.
  • >> NO, NO, THAT'S NOT HOW YOU ASK IT.
  • WHO WAS NOT WITH HIM?
  • ( APPLAUSE ) SEE?
  • THERE YOU GO.
  • >> Stephen: I FEEL BETRAYED.
  • ( LAUGHTER ) SO 2018, LET ME GET TO THE
  • SECOND QUESTION OF THE INTERVIEW.
  • IN 2018, WHAT MYSTERY ARE YOU MOST INTERESTED IN SCIENCE
  • CRACKING?
  • OR WHAT DO YOU THINK WE ARE LIKELY TO LEARN THIS YEAR THAT
  • WE'RE CLOSE TO FIGURING OUT?
  • >> IN MY FIELD, THE GOOD THING ABOUT IT IS, GENERALLY WE MAKE
  • DISCOVERIES WHEN A MISSION IS LAUNCHED.
  • SO WE-- SO WE KNOW WHEN TO BEGIN TO EXPECT DISCOVERIES.
  • >> Stephen: WHAT'S THE BIG MISSION REACHING ITS FRUITION.
  • >> THE MISSION NOW IS TO TRY TO UNDERSTAND DARK MATTER AND DARK
  • ENERGY MORE THAN WE CURRENTLY DO.
  • >> Stephen: OKAY.
  • >> WE KNOW IT'S THERE, BUT IT'S A COMPLETE MYSTERY.
  • WE DON'T UNDERSTAND THE ORIGIN OF 85% OF ALL THE GRAVITY OF THE
  • UNIVERSE.
  • IT'S NOT BLACK HOLES, COMETS, STARS, PLANETS-- IT'S NONE OF
  • THE ABOVE.
  • >> Stephen: SO THE MATH SAYS THERE SHOULD BE MORE THERE BUT
  • WE CAN'T SEE IT?
  • >> RIGHT, IT'S MISSING GRAVITY RATHER THAN MISSING MASS-- I'M
  • SORRY, IT'S GRAVITY WITH NO KNOWN SOURCE.
  • >> Stephen: WHICH IS WHAT I SAID.
  • WHEN IS WHAT I SAID A MOMENT AGO.
  • >> IT'S DARK GRAVITY.
  • >> Stephen: WOW.
  • >> IS REALLY WHAT IT IS.
  • THEN-- THEN THERE'S SOME MYSTERIOUS PRESSURE IN THE
  • VACUUM OF SPACE.
  • >> Stephen: WHAT DO YOU MEAN?
  • >> WHICH WE CALL DARK ENERGY.
  • BEAUT BUTT WE SHOULD JUST CALL IT FRED AND WILMA-- I JOKE ABOUT
  • THIS.
  • WE DON'T KNOW WHAT THEY ARE.
  • DON'T GIVE IT A NAME THAT MAKES PEOPLE THINK WE KNOW WHAT IT IS
  • BECAUSE WE DON'T KNOW WHAT IT IS.
  • IT'S A PRESSURE IN THE VACUUM OF SPACE FORCING THE UNIVERSE TO
  • ACCELERATE NONETHELESS EXPANSION.
  • AND I'VE WRITTEN ABOUT THIS BECAUSE I LOSE SLEEP OVER THIS
  • FACT-- ( LAUGHTER )
  • CAN I SHARE THIS?
  • I DON'T WANT TO BE BLAMED -- >> Stephen: I DON'T KNOW THAT
  • I COULD STOP YOU.
  • ( LAUGHTER ).
  • >> I DON'T WANT TO BE BLAMED IF YOU CANNOT GET TO SLEEP TONIGHT.
  • >> Stephen: DO IT.
  • I'LL BE OKAY.
  • >> SO THIS DARK ENERGY IN THE FUTURE WILL RENDER THE UNIVERSE
  • SO LARGE, HAVING ACCELERATED SO SIGNIFICANTLY, THAT ALL THE
  • GALAXIES OF THE NIGHT SKY WILL HAVE ACCELERATED BEYOND OUR
  • HORIZON.
  • >> Stephen: WHAT?
  • >> ALL THE GALAXIES ARE THE SOURCE OF OUR KNOWLEDGE OF
  • COSMOLOGY, OF THE BIG BANG, EVERYTHING WE KNOW ABOUT THE
  • HISTORY OF THE UNIVERSE COMES TO US FROM THESE GALAXIES.
  • IF THEY ACCELERATE BEYOND OUR HORIZON, THE NEXT GENERATION OF
  • COSMIC EXPLORERS WILL ONLY HAVE THE STARS OF THE MILKY WAY TO
  • THINK ABOUT.
  • AND I-- SO, THERE'S AN-- THERE WOULD HAVE BEEN AN ENTIRE
  • CHAPTER OF THE UNIVERSE RIPPED FROM THEIR VIEW.
  • AND THEY WILL BE TRYING TO CONTEMPLATE AN UNDERSTANDING OF
  • THE UNIVERSE WITHOUT A SIGNIFICANT PART OF WHAT ITS
  • PAST WAS.
  • AND SO I LOSE SLEEP WONDERING, TODAY, WAS THERE SOME PREVIOUS
  • CHAPTER RIPPED FROM THE UNIVERSE ITSELF?
  • AND HERE WE ARE-- ( LAUGHTER )
  • AND HERE WE ARE, YOU KNOW, TOUCHING THE ELEPHANT, NOT
  • KNOWING THAT IN FACT THERE'S AN ELEPHANT STANDING THERE.
  • OR MAYBE THERE'S THE SHADOW OF THE ELEPHANT, AND THE ELEPHANT
  • HAS BEEN MOVED.
  • WE DON'T KNOW WHAT WE DON'T KNOW.
  • AND THIS LEAVES ME WEAK AT NIGHT.
  • I SLIEWZ SLEEP OVER THAT.
  • >> Stephen: I AM NOT GOING TO GET A WINK.
  • ( CHEERS AND APPLAUSE ) THAT'S CRAZY.
  • HOLD ON.
  • WE'VE GOT TO TAKE A BREAK.
  • WE'LL BE RIGHT BACK WITH MORE NEIL DEGRASSE TYSON, EVERYBODY.

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Description

There's one terrifying mystery of the universe that astrophysicist and 'Astrophysics for People in a Hurry' author Neil deGrasse Tyson loses sleep over.

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