Why Mount Everest's height keeps changing

16-Mar, 2021
1 016 737 Ko‘rishlar soni

The world's tallest mountain just got a little taller - here's why.
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In December of 2020, China and Nepal made a joint announcement about a new measurement for Mount Everest: 8,849 meters. This is just the latest of several different surveys of Everest since the first measurement was taken in 1855. The reasons why the height has fluctuated have to do with surveying methodology, challenges in determining sea level, and the people who have historically been able to measure Everest.
We mention this NOAA post in the end tag of the video, which addresses another way to measure the height of mountains: oceanservice.noaa.gov/facts/highestpoint.html
NOAA has more information about the geoid here: oceanservice.noaa.gov/facts/geoid.html
More reading:
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  • Tenzing is from Nepal not Nepal and India

    Nryn SrmaNryn SrmaSoat oldin
  • Am I the only one to catch Messi's jersey?

    Gabriel LockettGabriel Lockett7 soat oldin
  • Mount Everest be like: I EAT A METER OF ROCK FOR EVERY MEAL

    Ronen RayRonen Ray7 soat oldin
  • how it come tenzing from Nepal n india 🤔🤔🤔🤔 he is only from Nepal belongs to sherpas commuinity ..

    Solo traveller Sulove AryalSolo traveller Sulove Aryal18 soat oldin
  • Wow, very interesting...

    Nathan NgumiNathan Ngumi21 soat oldin
  • By reading comments, you can pass good time, and bad time too.

    Ak SharmaAk SharmaKun oldin
  • getting Scary when they talk about bodies bein found me: bodies makin everest height go boom boom

    JBot 2JBot 2Kun oldin
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    Yakavic AideyanYakavic Aideyan2 kun oldin
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    DON CHETODON CHETO3 kun oldin
  • Thanks for calling it Tibet, and not China.

    Jay S.Jay S.4 kun oldin
  • The fact that it took 200 years to let Nepal decide the height of their own mountain is kind of mind-blowing though

    Spectacular SpaghettiSpectacular Spaghetti5 kun oldin
    • Well Nepalese political history is truely messed up... "we hav to read a lot

      EyaN 11EyaN 112 kun oldin
  • The trashy language modestly yell because croissant thessaly peck pace a lackadaisical coat. joyous, opposite harbor

    Hanna MeawadHanna Meawad5 kun oldin
  • How and why is tenzing norgay a nepalese and indian? He is Nepalese. Period. You need to change it.

    Nirwan JoshiNirwan Joshi7 kun oldin
    • @VISHNU VARDHAN well.u r being patriotic here, tell me wat u want

      EyaN 11EyaN 112 kun oldin
    • @EyaN 11 bharatam is not the concept.

    • @VISHNU VARDHAN Bharatam is jst a concept for indian to represent Subcontinent its not a country ok..

      EyaN 11EyaN 112 kun oldin
    • @Nirwan Joshi If you are hindu or buddhist, can you tell me how big is Bharatam

    • @VISHNU VARDHAN ????????

      Nirwan JoshiNirwan Joshi4 kun oldin
  • Interesting, until I heard "global warming," then I bailed, didn't see the rest.

    sodaspopsodaspop7 kun oldin
  • Why don’t they just use an aircraft altimeter ?

    Gabriel NeefsGabriel Neefs7 kun oldin
  • The neplease call everest Chomoumlunga as well

    Huggsmd 1Huggsmd 17 kun oldin
    • Nope sir....

      EyaN 11EyaN 112 kun oldin
  • The annoyed illegal prenatally confess because buffet industrially slip despite a adventurous child. racial, aboard quail

  • hlw guys Tenzing sherpa was born in nepal not india/nepal🙄

    Shaswat GautamShaswat Gautam7 kun oldin
  • E

    sh8mricksh8mrick7 kun oldin
  • Yo tenzing ain't from india

    Naveen BasnetNaveen Basnet7 kun oldin
  • 1. Everyone knows it as "Everest", and they know how to pronounce that. 2. If you change it to Sagarmāthā, you'll anger the people who want to call it Chomolungma - and vice-versa. The peak is on the border of two countries; which one gets to pick the name? Better to call it "Everest" as a neutral choice that pleases neither.

    rtpoertpoe8 kun oldin

    AI Unit ProteusAI Unit Proteus8 kun oldin
  • It's not called global warming any more. Get with the program.

    Raven BishopRaven Bishop9 kun oldin
  • Could you do more stories about Angola and Africa in general please

    bolia bamolendebolia bamolende9 kun oldin
  • Background music name please?

    Shuvo BiswasShuvo Biswas9 kun oldin
  • One side in Nepal and one side in China.

    JkjkjkJkjkjk9 kun oldin
  • 8:01 Mauna Kay-uh is how you pronounce it. Not Mauna Key-uh.

    The Great FladoodleThe Great Fladoodle9 kun oldin
  • 8848.86m

    Ayush AryalAyush Aryal10 kun oldin
  • The height grows every year i think lol

    kawalykawaly11 kun oldin
  • Sir Edmund Hillary

    Rishav PrasadRishav Prasad12 kun oldin
  • Apparently George Everest pronounced him own name differently than we all do now. Eve (as in Christmas eve) rest, Eve~rest and not EVerest.

    snap crackle popsnap crackle pop13 kun oldin
  • I used to think that Everest was a cool archaic word for furthest or highest (like "forever" + est) but no it's just some British bloke

    Koen v. MeijelKoen v. Meijel13 kun oldin
  • India has measured Everest height more than any other country.

    Rajat ChaudharyRajat Chaudhary15 kun oldin
  • 2:25 that is not a right Angle

    nils pilsnils pils15 kun oldin
  • My life is complete now.

    mos abmos ab15 kun oldin
  • Why does the script of this video sounds like the NPR’s Short Wave podcast?

    __ isagani__ isagani15 kun oldin
  • the death zone is an scp

    Davin McLarenDavin McLaren16 kun oldin
  • Why isnt the Sherpa guide named?

    Gabriel KumontoyGabriel Kumontoy16 kun oldin
  • George Everest pronounced his name "Eve-rest" not "Ever-est"!

    CassiaCassia16 kun oldin
  • So when do you measure sea level, at high tide or low?

    DaBudKingDaBudKing16 kun oldin
  • Great video

    Aly pixarAly pixar16 kun oldin
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    Gabe VictoriaGabe Victoria16 kun oldin
  • hm its because of converging plates

    lychee luvvlychee luvv16 kun oldin
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    Fefe DedeFefe Dede17 kun oldin
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    Hanspal SinghHanspal Singh17 kun oldin
  • Why is so important to know the height? Like I couldn’t care less

    lord-ksa999lord-ksa99917 kun oldin
  • I can tell you the answer in 10 second, because China and Nepal keep measuring the height of it and keep "arguing"(just sort of) and with a little bit more snow so that is why it keep changing, this video is just trash talking.

    大头説电影大头説电影17 kun oldin
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  • 0:22 my man took Messi t-shirt up there

    EvsterEvster18 kun oldin
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    Tema dsafTema dsaf18 kun oldin
  • Own flags *shows a Messi kit*

    YtbGamerYtbGamer18 kun oldin
  • Tenzing Norgay Sherpa is Nepali citizen , saying from Nepal and India does not make sense. Other than that nicely presented. Love from Nepal 🇳🇵🇳🇵🇳🇵

    Ashish KafleAshish Kafle19 kun oldin
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  • based

    Kermit The FrogKermit The Frog19 kun oldin
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    Michaela DugueMichaela Dugue19 kun oldin
  • Cause it's figuring out the right bucket temperature! You guys......

    Shakun RelhanShakun Relhan19 kun oldin
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    Matt ZielinskiMatt Zielinski19 kun oldin
  • Hillary Clinton claims to be named after sir Edmund Hillary. Even though this happenned years after she was born. Wonder what accomplishments he was so honored by the Rodham for before climbing the mountian.

    craz wolfcraz wolf19 kun oldin
  • What an informative channel!!!

    Chantel MatshweChantel Matshwe19 kun oldin
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    James WalkerJames Walker19 kun oldin
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    tyler peteetyler petee19 kun oldin
  • As a Chinese it’s uncomfortable that VOX says Mt. Everest standing at the border of Nepal and Tibet, a country and an official province of China. Besides at the end referring it to Nepal’s OWN mountain without mentioning China and their effort?

    Syn WeiSyn Wei19 kun oldin
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    Carmela SuCarmela Su20 kun oldin
  • John 3.16-21 16 For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life. 17 For God did not send his Son into the world to condemn the world, but to save the world through him. 18 Whoever believes in him is not condemned, but whoever does not believe stands condemned already because they have not believed in the name of God’s one and only Son. 19 This is the verdict: Light has come into the world, but people loved darkness instead of light because their deeds were evil. 20 Everyone who does evil hates the light, and will not come into the light for fear that their deeds will be exposed. 21 But whoever lives by the truth comes into the light, so that it may be seen plainly that what they have done has been done in the sight of God.

    christopher reidchristopher reid20 kun oldin
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    David JarrahDavid Jarrah20 kun oldin
  • Just a fact : The actual height of Everest was calculated by Indian mathematician Radhanath Sikdar . He got appointed for surveys in 1831 by George Everest , surveyor general of that time. Sikdar calculated the exact height in 1851 (but officially announced in 1855 ) . It was actually 29000 ft , but for some reason they added 2 feet more and measured 29002 ft .

    Sayuj PatraSayuj Patra20 kun oldin
  • Nepal: I'm so proud that I finally measured my mountain. China: U mean OUR mountain? ☭

    Abdullah ElturkmaniAbdullah Elturkmani20 kun oldin
    • Wel the measurement was done by Nepalese but waited for China submit as both Nepal n China had decided to announce the height together

      EyaN 11EyaN 112 kun oldin
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    Subjih HuhSubjih Huh20 kun oldin
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    Louis MarteLouis Marte20 kun oldin
  • *tenzing is from Nepal only 😊😑

    Ashim AdhikariAshim Adhikari20 kun oldin
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    Sotoven HassySotoven Hassy20 kun oldin
  • Petition to rename Mt Everest as Sagarmatha?

    R GR G20 kun oldin
  • Shoutout to Radhanath Shikdar!

    Syed Samiul BasitSyed Samiul Basit20 kun oldin
  • VOX -"He-May-Lane" Other - He-Mal-Yun.

    Pradumna SarafPradumna Saraf21 kun oldin
  • ❤️❤️❤️ Tibet

    Ryan NoyRyan Noy21 kun oldin
  • The nine town marginally license because backbone predictably return of a reminiscent country. permissible, normal college

    Gerard LigondeGerard Ligonde21 kun oldin
  • tenzing norgey was from nepal not india..... please correct it.....

    Bhu RaBhu Ra21 kun oldin
  • Imagine how tough you have to be to climb Everest without supplementary oxygen.

    DotsanddashDotsanddash21 kun oldin
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    龚德飞龚德飞21 kun oldin
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    Rudra SharmaRudra Sharma21 kun oldin
  • I am confused why is tenzing norgay a indian??

    Sambid PoudelSambid Poudel21 kun oldin
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    Cara AustinCara Austin21 kun oldin
  • How come Nepal and India you need to re edit this video

    Amit RaiAmit Rai21 kun oldin
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    SupremeSupreme21 kun oldin
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    swoboda aliceswoboda alice21 kun oldin
  • I always wondered what they called it in the local languages cause it obviously wouldn't be 'Everest'. I guess now I know! Does anyone know if those of names have some particular meanings?

    KendrixTerminaKendrixTermina21 kun oldin
    • @rgohaLol

      EyaN 11EyaN 112 kun oldin
    • Sagarmatha means mother of sea Chomulungma means mother of world

      rgohargoha20 kun oldin
  • Plot twist: It's not a mountain, it's a giant turtle who began his slumber when there was still water around it and now it's starting to move. It's 2021, what else can you expect smh!

    Chirag BokoliaChirag Bokolia21 kun oldin
  • Change your word tenzing Norge was from Nepal not india

    milan gurungmilan gurung21 kun oldin
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    Doan Tai DucDoan Tai Duc21 kun oldin
  • Tenzing is from Only Nepal not India 🙄🙄🙄🙄

    manish rimalmanish rimal21 kun oldin
  • Just loved how they avoided to show kashmir while showing Himalayas at 1:37...LOL

    Reena YadavReena Yadav21 kun oldin
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    SwxfttSwxftt21 kun oldin
  • Fun fact, the height of Everest is rising fast than sea level is, so mentioning climate change in this video was completely useless and ruined a great video

    Maxi ?!?Maxi ?!?21 kun oldin