ABOUT THE SPEAKER
Burçin Mutlu-Pakdil - Astrophysicist
Burçin Mutlu-Pakdil studies the structure and dynamics of galaxies to help us understand how they form and evolve.

Why you should listen

Dr. Burçin Mutlu-Pakdil is searching for the most peculiar objects in the Universe. Her research has led to a discovery of an extremely rare galaxy with a unique circular structure, which is now commonly referred to as Burçin's Galaxy. Her work has provided the first description of a double-ringed elliptical galaxy, challenging current theories and assumptions about how the universe works and how galaxies start and evolve.

Mutlu-Pakdil earned her PhD at the University of Minnesota, and her undergraduate degree is from Bilkent University in Turkey. She is currently a postdoctoral research associate at University of Arizona and a 2018 TED Fellow. She spends most of her time searching for hierarchical structure at the scale of dwarf galaxies as a novel test of the Cold Dark Matter paradigm. She uses data gathered in a large range of wavelengths from premier telescopes worldwide and wants to learn more about how the Universe came to be the way it is today.

Mutlu-Pakdil's findings have been featured by CNN, Science Daily, Astronomy Magazine, Independent and MPR News, among many others. Damon Brown wrote in his regular Inc. Magazine online column: “Many organizations are dedicated to filling the STEM pipeline with more girls and women. Others are supporting the cause by being an example. TED Fellow Burçin is representing by being one of the most notable astrophysicists today.”

More profile about the speaker
Burçin Mutlu-Pakdil | Speaker | TED.com
TED2018

Burçin Mutlu-Pakdil: A rare galaxy that's challenging our understanding of the universe

Burčin Mutlu-Pakdil (Burçin Mutlu-Pakdil): Retka galaksija koja dovodi u pitanje naše razumevanje univerzuma

Filmed:
2,459,767 views

Kakav je osećaj otkriti galaksiju - i nazvati je vašim imenom? Astrofizičarka i članica TED Fellows programa, Burčin Mutlu-Pakdil, nam u svom kratkom govoru prepričava iznenađujuće otkriće svog tima, a koje se tiče novog misterioznog tipa galaksije.
- Astrophysicist
Burçin Mutlu-Pakdil studies the structure and dynamics of galaxies to help us understand how they form and evolve. Full bio

Double-click the English transcript below to play the video.

00:13
There are more than a trillionтрилион
galaxiesгалаксије in the universeуниверзум.
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Postoji više od bilion galaksija
u univerzumu.
00:17
And my teamтим discoveredоткривени
an extremelyизузетно rareретко one,
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A moj tim otkrio je jednu izuzetno retku
00:21
a galaxyгалаксија that doesn't look
quiteприлично like anything observedпримећено before.
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koja ne liči ni na jednu galaksiju
otkrivenu ranije.
00:27
This galaxyгалаксија is so peculiarИudno,
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Ova galaksija je toliko neobična
00:29
that it challengesизазове our theoriesтеорије
and our assumptionsпретпоставке
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da dovodi u pitanje naše teorije i naše
pretpostavke
00:33
about how the universeуниверзум worksИзвођење радова.
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o funkcionisanju univerzuma.
00:37
The majorityвећина of the galaxiesгалаксије are spiralспирала,
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Većina galaksija je spiralnog oblika,
00:40
similarслично to our ownвластити MilkyMilky Way.
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slično našem Mlečnom putu.
00:42
We have strongјак theoriesтеорије about how
these commonзаједнички galaxiesгалаксије formобразац and evolveеволуирати.
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Postoje jake tvrdnje o formiranju i razvoju
ovih uobičajenih galaksija.
00:48
But we don't understandРазумем
how rareретко galaxiesгалаксије formобразац and evolveеволуирати.
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Ali mi ne razumemo kako se formiraju
i razvijaju retke galaksije.
00:55
An especiallyпосебно puzzlingdok shvati rareретко caseслучај
is Hoag'sHog je ObjectObjekat.
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Jedna takva retka galaksija koja nam
zadaje muke je Hoagov objekat.
01:00
It has a very symmetricsimetrično centralцентрално bodyтело
surroundedокружен by a circularкружно outerспољашњи ringпрстен,
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Ona ima vrlo simetrično telo u sredini
okruženo kružnim spoljašnim prstenom,
01:07
with nothing visibleвидљив connectingповезивање them.
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a ništa vidljivo ih ne povezuje.
01:10
Hoag-typeHoag-tip galaxiesгалаксије are amongмеђу the rarestretka
typesврсте of galaxiesгалаксије currentlyтренутно knownпознат.
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Galaksije nalik Hoagovoj spadaju u najređe
trenutno poznate galaksije.
01:16
There are fewerмање than one
in 1,000 galaxiesгалаксије.
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Postoji manje od jedne na 1000 galaksija.
01:22
It's a mysteryМистерија how the starsЗвездице
in the outerспољашњи ringпрстен are just floatingплутајући there
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Prava je misterija kako zvezde spoljašnjeg
prstena samo lebde tu,
01:28
in suchтаква an orderlyposilni mannerманир.
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a na tako organizovan način.
01:30
That's interestingзанимљиво, right?
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Interesantno, zar ne?
01:33
HoldDržite on.
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Samo malo.
01:34
Things are about to get more mysteriousмистериозно.
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Postaće misterioznije.
01:37
The galaxyгалаксија that my teamтим
discoveredоткривени is even rarermanje
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Galaksija koju je moj tim otkrio je ređa
01:41
and much more complexкомплекс than that.
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i mnogo složenija od toga.
01:44
You know, sometimesпонекад, you searchПретрага
and searchПретрага for these objectsобјеката,
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Nekada ste u potrazi za tim objektima,
01:48
and you find nothing.
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a ne pronađete ništa.
01:50
But sometimesпонекад, it just appearsсе појављује
in the backgroundбацкгроунд,
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Međutim, nekad se samo pojave u pozadini
01:55
when you are not even looking for it.
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kada ih ne tražite.
01:58
This systemсистем looksизглед very similarслично
to Hoag'sHog je ObjectObjekat,
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Ovaj sistem je veoma sličan Hoagovom
objektu
02:01
with its centralцентрално bodyтело
and circularкружно outerспољашњи ringпрстен.
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zbog tela u sredini i kružnog spoljašnjeg
prstena.
02:05
We got very excitedузбуђени and thought
we discoveredоткривени anotherдруги Hoag'sHog je ObjectObjekat.
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Obradovali smo se pri pomisli da smo
otkrili još jedan Hoagov objekat.
02:10
But my researchистраживање showedпоказао
this is an entirelyу потпуности newново galaxyгалаксија typeтип,
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Međutim, moje istraživanje je otkrilo
da je to potpuno novi tip galaksije
02:17
now commonlyобично referredреференца to
as "BurAliçin'su je GalaxyGalaksije."
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koji se sada naziva „Burčin galaksija”.
02:21
(LaughsSmeje)
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(Smeh)
02:23
(CheersU zdravlje) (ApplauseAplauz)
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(Klicanje) (Aplauz)
02:27
We will not be visitingпосетити
this galaxyгалаксија anytimeбило када soonускоро.
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Nećemo posetiti ovu galaksiju
u skorije vreme.
02:31
It is approximatelyПриближно 359 millionмилиона
lightсветло yearsгодине away from EarthZemlja.
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Udaljena je približno 359 miliona
svetlosnih godina od Zemlje.
02:38
You mayможе think this is farдалеко.
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Mislite da je to daleko.
02:40
Well, actuallyзаправо, this is one
of the nearbyу близини galaxiesгалаксије.
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Zapravo, ovo je jedna od bližih galaksija.
02:45
I studyстудија this objectобјекат in differentразличит lightсветло --
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Proučavam ovaj objekat
na drugačijoj svetlosti -
02:48
in ultravioletултравиолет, opticalOptički and near-infrared-Infracrvena.
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ultraljubičastoj, optičkoj
i blisko infracrvenoj.
02:53
SmallMali detailsдетаље on our bodyтело,
like a scarožiljak or wrinklesBora,
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Mali detalji na našem telu,
poput ožiljka ili bora
02:57
tell the storyприча of our livesживи.
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pričaju našu životnu priču.
02:59
SimilarlyNa sličan način, a galaxy'sGalaxy structureструктура
in differentразличит lightсветло
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Slično tome, struktura jedne galaksije
na drugačijoj svetlosti
03:03
can help us traceтраг back
theirњихова originпорекло and evolutionеволуција.
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nam može pomoći da odredimo
njeno poreklo i razvoj.
03:07
How do I look for these detailsдетаље?
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Kako tražim te detalje?
03:10
I modelмодел the brightсветао centralцентрално bodyтело
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Modeliram sjajno središnje telo
03:13
and removeуклонити my modelмодел from the imageслика
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i uklonim model sa slike
03:15
to checkпровери for any hiddenсакривен featuresКарактеристике,
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kako bih potražila skrivene karakteristike
03:18
because a brightсветао structureструктура in a galaxyгалаксија
mayможе blindслеп our viewsвиевс of faintнесвестица featuresКарактеристике,
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jer sjajna struktura u galaksiji može
da zakloni neupadljive karakteristike,
03:24
just like usingКористећи sunglassesнаочаре за сунце
when you are blindedZaslepeo by the intenseинтензивно lightсветло.
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poput korišćenja naočara za sunce
kada vas zaslepi sunčeva svetlost.
03:30
The resultрезултат was a bigвелики surpriseизненађење.
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Došli smo do iznenađujućeg rezultata.
03:33
This galaxyгалаксија doesn't just
have an outerспољашњи ringпрстен,
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Ova galaksija pored spoljašnjeg prstena
03:37
it has an additionaldodatne, diffuseddemontira innerунутрашњи ringпрстен.
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ima još jedan, difuzan, unutrašnji prsten.
03:41
We were havingимати a hardтешко time
explainingобјашњавајући the originпорекло of the outerспољашњи ringпрстен
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Nije bilo lako da objasnimo poreklo
spoljašnjeg prstena
03:46
in Hoag-typeHoag-tip galaxiesгалаксије.
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u galaksiji Hoagovog tipa.
03:48
Now we alsoтакође need to explainобјасни
this mysteriousмистериозно secondдруго ringпрстен.
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Sada moramo da objasnimo
taj misteriozni drugi prsten.
03:53
There is currentlyтренутно no knownпознат mechanismмеханизам
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Trenutno nije poznat mehanizam
koji može da objasni
03:56
that can explainобјасни the existenceпостојање of an innerунутрашњи
ringпрстен in suchтаква a peculiarИudno galaxyгалаксија.
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postojanje unutrašnjeg prstena
u tako neobičnoj galaksiji.
04:01
So the discoveryоткриће of BurAliçin'su je GalaxyGalaksije
clearlyјасно highlightsистиче the gapјаз
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Stoga otkriće Burčin galaksije
jasno ističe nedostatak
04:06
in our knowledgeзнање of galaxyгалаксија evolutionеволуција.
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u našem znanju o razvoju galaksija.
04:09
FurtherDalje researchистраживање into how
this extremelyизузетно rareретко galaxyгалаксија was formedформирана
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Dalje istraživanje o tome
kako se ova vrlo retka galaksija formirala
04:14
can provideпружити us with newново cluestragove
on how the universeуниверзум worksИзвођење радова.
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daće nam nove uvide u to
kako univerzum funkcioniše.
04:21
This discoveryоткриће tellsкаже us
that we still have a lot to learnучи,
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Ovo otkriće nam govori
da imamo još da učimo
04:25
and we should keep looking
deeperдубље and deeperдубље in spaceпростор
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i da treba da se zagledamo
što dublje u svemir
04:29
and keep searchingпретраживање for the unknownnepoznat.
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i nastavimo sa potragom za nepoznatim.
04:32
Thank you.
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Hvala vam.
04:34
(ApplauseAplauz)
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(Aplauz)
Translated by Katarina Colic
Reviewed by Ivana Korom

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ABOUT THE SPEAKER
Burçin Mutlu-Pakdil - Astrophysicist
Burçin Mutlu-Pakdil studies the structure and dynamics of galaxies to help us understand how they form and evolve.

Why you should listen

Dr. Burçin Mutlu-Pakdil is searching for the most peculiar objects in the Universe. Her research has led to a discovery of an extremely rare galaxy with a unique circular structure, which is now commonly referred to as Burçin's Galaxy. Her work has provided the first description of a double-ringed elliptical galaxy, challenging current theories and assumptions about how the universe works and how galaxies start and evolve.

Mutlu-Pakdil earned her PhD at the University of Minnesota, and her undergraduate degree is from Bilkent University in Turkey. She is currently a postdoctoral research associate at University of Arizona and a 2018 TED Fellow. She spends most of her time searching for hierarchical structure at the scale of dwarf galaxies as a novel test of the Cold Dark Matter paradigm. She uses data gathered in a large range of wavelengths from premier telescopes worldwide and wants to learn more about how the Universe came to be the way it is today.

Mutlu-Pakdil's findings have been featured by CNN, Science Daily, Astronomy Magazine, Independent and MPR News, among many others. Damon Brown wrote in his regular Inc. Magazine online column: “Many organizations are dedicated to filling the STEM pipeline with more girls and women. Others are supporting the cause by being an example. TED Fellow Burçin is representing by being one of the most notable astrophysicists today.”

More profile about the speaker
Burçin Mutlu-Pakdil | Speaker | TED.com

Data provided by TED.

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