Neil deGrasse Tyson Pt. 2

  • Aired:  03/10/14
  •  | Views: 95,325

Neil deGrasse Tyson gives his take on the most significant scientific discoveries of the past 35 years, from dark energy to the possibility of multiple universes. (3:50)

>> Stephen: WE'RE BACK WITHNEIL DEGRASSE TYSON TALKING

ABOUT THE NEW TELEVISIONSHOW COSMOS.

ALL RIGHT, WHY DID YOU, NEIL,THE SHOW WAS GREAT, I REALLY

ENJOYED IT.

AND SO DO MY KIDS, BUT WHYDID YOU WANT TO MAKE THIS

SHOW?

WE ALREADY HAD ONE, YOU KNOW,34 YEARS AGO.

WHY DO IT AGAIN?

HAS SCIENCE REALLY CHANGEDALL THAT MUCH?

>> NO, THE TIME HAD COME.

IT WAS-- SO NOT ONLY HASSCIENCE SINCE THEN WE

DISCOVERED A THOUSAND EXOPLANETS, THE HIGGS BOSON, WE

HAVE DISCOVERED THE-- WEHAVE STRONG IDEAS THAT A

MULTIVERSE EXISTS.

I MEAN THE LIST GOES ON ANDON.

>> Stephen: MULTIVERSE?

>> A MULTIVERSE.

WELL, IT MAY NOT BE JUST ONEUNIVERSE.

THERE MAY BE MANY UNIVERSES.

BUT THERE WASN'T -->> DOESN'T SCIENCE DEPEND ON

EXPERIMENTATION.

HOW ARE YOU GOING TO -->> BRING IN THE OTHER NEIL

DEGRASSE TYSON -->> IT IS A THEORETICAL

FRONTIER AT THIS POINT BUT ANINTRIGUING ONE WITH

COMPELLING ARGUMENTS FOR WHY ITWOULD BE SO.

>> YOU GET PEOPLE EXCITEDABOUT SCIENCE.

>> WE ALSO DISCOVERED DARKENERGY.

THIS HAS BEEN A SERIOUSPRESSURE IN THE VACUUM OF

SPACE PUSHING AGAINST THEWISHES OF THE COLLECTIVE

GRAVITY OF ALL THE GALAXIESMAKING EXPANDING UNIVERSE

ACCELERATE.

ALL IN THE LAST 34 YEARS.

>> HERE IS WHAT I DON'TLIKE.

I SAW YOU ON THE CNN TALKINGABOUT HOW IMPORTANT SCIENCE

IS.

>> YEAH.

>> AND THAT SCIENCE SAYSTHAT WE SHOULDN'T HAVE BOTH

SIDES OF EVERY DEBATE.

YOU KNOW.

LIKE WE CAN'T HAVE PEOPLEWHO SAY THE EARTH IS ROUND

AND BRING ON FLAT EARTHERSTOO.

DON'T YOU WANT IT TO BE FAIRAND BALANCED.

>> THAT WOULD BE A WASTE OFEVERYONE'S TIME.

>> WHY.

>> ONCE SCIENCE HAS BEENESTABLISHED, ONCE A

SCIENTIFIC TRUTH EMERGESFROM A CONSENSUS OF

EXPERIMENTS AND OBSERVATIONS,IT IS THE WAY OF THE WORLD.

>> SO SAY YOU.

BUT WHAT ABOUT THOSE, BUT ISTHE SCIENCE IN ON SCIENCE?

>> WHAT I'M SAYING IS WHENDIFFERENT EXPERIMENTS GIVE

YOU THE SAME RESULTS, IT ISNO LONGER SUBJECT TO YOUR

OPINION.

THAT'S THE GOOD THING ABOUTIT.

IT'S TRUE, WHETHER OR NOTYOU BELIEVE IN IT, THAT'S

WHY IT WORKS(CHEERS AND APPLAUSE)

>> Stephen: SO IF MY SIDE OFTHE ARGUMENT, LET'S JUST SAY

FOR THE SAKE OF THE ARGUMENTTHAT I BELIEVED THE

WORLD WAS FLAT AND YOUBELIEVE THE WORLD IS ROUND.

DON'T I DESERVE MORE TIMEFOR MY ARGUMENT BECAUSE MINE

IS A MUCH HARDER CASE TOMAKE?

>> YOU GET TO SAY THE WORLDIS FLAT BECAUSE WE LIVE IN A

COUNTRY THAT GUARANTEES YOURFREE SPEECH.

BUT IT'S NOT A COUNTRY THATGUARANTEES THAT ANYTHING YOU

SAY IS CORRECT.

>> I'M JUST SAYING.

>> Stephen: THAT IS SUCH ALIBRA THING TO SAY.

(LAUGHTER)YOU ARE A LIBRA, AREN'T

YOU.

>> I AM LIBRA.

>> Stephen: OKAY.

WHAT DO YOU THINK WOULD HAVESURPRISED CARL SAGAN MOST

ABOUT WHAT HAS CHANGED INOUR KNOWLEDGE OF THE

UNIVERSE SINCE HIS DEATH INTHIS.

>> 1996.

I THINK WHAT WOULD SURPRISEHIM THE MOST IS THAT WE

STILL HAVE TO ARGUE THATSCIENCE IS SOMETHING

IMPORTANT IN SOCIETY.

THAT IS WHAT WOULD SURPRISEHIM THE MOST.

(APPLAUSE)FOR STARTERS.

SCIENTIFICALLY, I THINK HEWOULD FIND THE IDEA OF THE

MULTIVERSE PRETTY COOL.

>> Stephen: THE IDEA OF THEMULTIVERSE IS COOL BUT SO IS

THE IDEA OF THEFORCE.

NEIL, I CAN'T WAIT FOR THENEXT EPISODE.

>> EVERY WEEK.

>> Stephen: THANK YOU FORJOINING ME.

NEIL DEGRASSE TYSON.

THE COSMOS.

WE'LL BE RIGHT BACK.

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