Skip to content
By using Twitter’s services you agree to our Cookies Use. We and our partners operate globally and use cookies, including for analytics, personalisation, and ads.
  • Home Home Home, current page.
  • Moments Moments Moments, current page.

Saved searches

  • Remove
  • In this conversation
    Verified accountProtected Tweets @
Suggested users
  • Verified accountProtected Tweets @
  • Verified accountProtected Tweets @
  • Language: English
    • Bahasa Indonesia
    • Bahasa Melayu
    • Català
    • Čeština
    • Dansk
    • Deutsch
    • English UK
    • Español
    • Filipino
    • Français
    • Hrvatski
    • Italiano
    • Magyar
    • Nederlands
    • Norsk
    • Polski
    • Português
    • Română
    • Slovenčina
    • Suomi
    • Svenska
    • Tiếng Việt
    • Türkçe
    • Ελληνικά
    • Български език
    • Русский
    • Српски
    • Українська мова
    • עִבְרִית
    • العربية
    • فارسی
    • मराठी
    • हिन्दी
    • বাংলা
    • ગુજરાતી
    • தமிழ்
    • ಕನ್ನಡ
    • ภาษาไทย
    • 한국어
    • 日本語
    • 简体中文
    • 繁體中文
  • Have an account? Log in
    Have an account?
    · Forgot password?

    New to Twitter?
    Sign up
neiltyson's profile
Neil deGrasse Tyson
Neil deGrasse Tyson
Neil deGrasse Tyson
Verified account
@neiltyson

Tweets

Neil deGrasse TysonVerified account

@neiltyson

Astrophysicist

New York City
haydenplanetarium.org/tyson/
Joined January 2009

Tweets

  • © 2018 Twitter
  • About
  • Help Center
  • Terms
  • Privacy policy
  • Cookies
  • Ads info
Dismiss
Previous
Next

Go to a person's profile

Saved searches

  • Remove
  • In this conversation
    Verified accountProtected Tweets @
Suggested users
  • Verified accountProtected Tweets @
  • Verified accountProtected Tweets @

Promote this Tweet

Block

  • Tweet with a location

    You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more

    Your lists

    Create a new list


    Under 100 characters, optional

    Privacy

    Copy link to Tweet

    Embed this Tweet

    Embed this Video

    Add this Tweet to your website by copying the code below. Learn more

    Add this video to your website by copying the code below. Learn more

    Hmm, there was a problem reaching the server.

    By embedding Twitter content in your website or app, you are agreeing to the Twitter Developer Agreement and Developer Policy.

    Preview

    Why you're seeing this ad

    Log in to Twitter

    · Forgot password?
    Don't have an account? Sign up »

    Sign up for Twitter

    Not on Twitter? Sign up, tune into the things you care about, and get updates as they happen.

    Sign up
    Have an account? Log in »

    Two-way (sending and receiving) short codes:

    Country Code For customers of
    United States 40404 (any)
    Canada 21212 (any)
    United Kingdom 86444 Vodafone, Orange, 3, O2
    Brazil 40404 Nextel, TIM
    Haiti 40404 Digicel, Voila
    Ireland 51210 Vodafone, O2
    India 53000 Bharti Airtel, Videocon, Reliance
    Indonesia 89887 AXIS, 3, Telkomsel, Indosat, XL Axiata
    Italy 4880804 Wind
    3424486444 Vodafone
    » See SMS short codes for other countries

    Confirmation

     

    Welcome home!

    This timeline is where you’ll spend most of your time, getting instant updates about what matters to you.

    Tweets not working for you?

    Hover over the profile pic and click the Following button to unfollow any account.

    Say a lot with a little

    When you see a Tweet you love, tap the heart — it lets the person who wrote it know you shared the love.

    Spread the word

    The fastest way to share someone else’s Tweet with your followers is with a Retweet. Tap the icon to send it instantly.

    Join the conversation

    Add your thoughts about any Tweet with a Reply. Find a topic you’re passionate about, and jump right in.

    Learn the latest

    Get instant insight into what people are talking about now.

    Get more of what you love

    Follow more accounts to get instant updates about topics you care about.

    Find what's happening

    See the latest conversations about any topic instantly.

    Never miss a Moment

    Catch up instantly on the best stories happening as they unfold.

    Neil deGrasse Tyson‏Verified account @neiltyson 18 Feb 2015

    Another vote for 40 below zero: Mercury freezes at 39 below, rendering thermometers that contain it useless at colder temps.

    7:50 AM - 18 Feb 2015
    • 733 Retweets
    • 1,863 Likes
    • Leon Gold (Qu)een'sane 🌸 Sarah Splittgerber Alexandra ☀️ Prescribed Trust Candace Styles Hikari Silver JJ O’Slice usha kiran
    148 replies 733 retweets 1,863 likes
      1. New conversation
      2. rationalnational‏ @rationlnational 18 Feb 2015
        Replying to @neiltyson

        @neiltyson Could test it here today: http://weather.gc.ca/city/pages/mb-38_metric_e.html …

        1 reply 0 retweets 3 likes
      3. rationalnational‏ @rationlnational 18 Feb 2015
        Replying to @rationlnational

        @neiltyson NM, assuming you are talking F and not C!

        2 replies 0 retweets 2 likes
      4. Glenn Hoppe‏ @ghoppe 18 Feb 2015
        Replying to @rationlnational

        @rationlnational No worries. -40°C is the same temperature as -40°F

        0 replies 0 retweets 1 like
      5. End of conversation
      1. Steven A Barnes‏ @stevenabarnes3 18 Feb 2015
        Replying to @neiltyson

        Why 40 below was temp for no work in Gulag? MT @neiltyson: Mercury freezes at 39 below, thermometers that contain it useless at colder temps

        0 replies 2 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Stephanie Marks‏ @smarksie 18 Feb 2015
        Replying to @neiltyson

        “@neiltyson: Another vote for 40 below zero: Mercury freezes at 39 below, rendering thermometers that contain it useless at colder temps.”

        0 replies 0 retweets 6 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Jordan‏ @cptoldspice 18 Feb 2015
        Replying to @neiltyson

        @neiltyson yet my school only cancels once temps reach 40-... Coincidence?

        0 replies 1 retweet 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. James Nichols‏ @JamesNichols37 18 Feb 2015
        Replying to @neiltyson

        @neiltyson I like 2.17 where helium becomes superfluid.

        0 replies 0 retweets 4 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Darker Design‏ @Darkerdesigns66 18 Feb 2015
        Replying to @neiltyson

        @neiltyson that's almost as frigid as my ex-wife...

        0 replies 0 retweets 4 likes
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. ty‏ @ty_crassversion 18 Feb 2015
        Replying to @neiltyson

        @neiltyson @PatriickSmiith

        1 reply 0 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. New conversation
      2. ᴮᵒʸ ᴱᵃᵗˢ ᴰʳᵘᵐ ᴹᵃᶜʰᴵᴺᴱ‏ @JonRagel 18 Feb 2015
        Replying to @neiltyson

        @neiltyson Now is the perfect time to announce your new progressive rock band, 40 Below Zero, comprised of top scientists.🎤🔥

        1 reply 0 retweets 1 like
      3. Composed Of‏ @ComposedOf 18 Feb 2015
        Replying to @JonRagel

        @JonRagel "Comprised of" is poor grammar. Consider using "composed of" instead - http://en.wikipedia.org/wiki/User:Giraffedata/comprised_of …pic.twitter.com/LuJII4yJSa

        0 replies 0 retweets 1 like
      4. End of conversation
      1. Clarise Samuels‏ @ClariseSamuels 20 Feb 2015
        Replying to @neiltyson

        @neiltyson I live in Canada, where we don't talk about wind-chill factor. It's too depressing.

        0 replies 0 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. shambalaforces‏ @shambalaforces 19 Feb 2015
        Replying to @neiltyson

        @neiltyson I wouldLoveToSeeYouInterviewH.H.TheDalaiLama! ItsMyDreamThatYouInquireAboutAttendingMindAndLifeScienceConferenceOneDay. Cheers!!!

        0 replies 0 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. shambalaforces‏ @shambalaforces 19 Feb 2015
        Replying to @neiltyson

        @neiltyson Hi, I learnedMuchFromCarlSagan'sCosmosAndHisManyInterviewVideosInYoutube. I StumbledOntoHimThruHisIntervewWith H.H.theDalai Lama.

        0 replies 0 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Favstar.fm 1000★'s‏ @favstar1000favs 18 Feb 2015
        Replying to @neiltyson

        @neiltyson Congrats on your 1000★ tweet! http://favstar.fm/t/568075021194813440 …

        0 replies 0 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Owl Watch‏ @SpyVfunneed 18 Feb 2015
        Replying to @neiltyson

        @neiltyson how can that be if it's the closest planet to the sun? Oh i see what i did there...nice!

        0 replies 0 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. North Division‏ @DRPSNorthDiv 18 Feb 2015
        Replying to @neiltyson

        @neiltyson -40 Celsius this past weekend in our Townships of Uxbridge/Scugog/Brock. Your favorite temperature!pic.twitter.com/lrZqRL0Gm4

        0 replies 0 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Ryan Hoke‏Verified account @RyanHokeWAVE3 18 Feb 2015
        Replying to @neiltyson

        Fodder for a #HokeyWx Fact. MT @neiltyson: Mercury freezes at -39°, rendering thermometers that contain it useless at colder temps.

        0 replies 0 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo
      1. Travis Quick‏ @travisq 18 Feb 2015
        Replying to @neiltyson

        Peep this, @FirstMatePete MT @neiltyson Another vote for -40 °F: Mercury freezes at -39 °F, rendering thermometers that contain it useless.

        0 replies 0 retweets 1 like
        Thanks. Twitter will use this to make your timeline better. Undo
        Undo

    Loading seems to be taking a while.

    Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.

      Promoted Tweet

      false

      • © 2018 Twitter
      • About
      • Help Center
      • Terms
      • Privacy policy
      • Cookies
      • Ads info