Carl Sagan would have been 83 on November 9. Image from Cornell University.
It’s been one of those weeks, and I missed posting anything early for Carl Sagan’s birthday, a day on which many work to keep his memory and wisdom alive.
Here are a few of the tributes, from Twitter.
Today is Carl Sagan's birthday.
He is no longer with us, but his words will always live on.
Carl's insight into the world and our future is unmatched.
To honor him, I would like to share "A Pale Blue Dot". https://t.co/24JA8bznd8
— Ted Corcoran (RedTRaccoon) (@RedTRaccoon) November 9, 2017
Carl Sagan has so many 🔥 quotes. But on what would've been his 83rd birthday this one feels particularly salient:
"In our obscurity—in all this vastness—there is no hint that help will come from elsewhere to save us from ourselves. It is up to us."— Maddie Stone (@themadstone) November 10, 2017
RT if Carl Sagan played a big role in your love of science. #CarlSaganDay https://t.co/HTznb69tA2
— March For Science (@MarchForScience) November 9, 2017
Honoured and delighted to receive the Carl Sagan Award at Carnegie Mellon University last night. Sagan was a lyrical prose poet who should have won the Nobel Prize for Literature, thereby setting a noble precedent for science.
— Richard Dawkins (@RichardDawkins) November 8, 2017
"On that blue dot, that's where everyone you know, and everyone you ever heard of, and every human being who ever lived, lived out their lives, the very small stage in a great cosmic arena."
Happy birthday, Carl Sagan. https://t.co/LJ0SjNyrhb pic.twitter.com/rJ3wSSVKrX
— Science Friday (@scifri) November 9, 2017
#OTD 1934: Carl Sagan was born in Brooklyn. Here he is in 1967, on BBC science documentary, Where Is Everybody? pic.twitter.com/TyT8DPOCLX
— BBC Archive (@BBCArchive) November 9, 2017
On Carl Sagan's birthday, take a look inside his imaginings of extraterrestrial life https://t.co/WvTB0mkyJR
— National Geographic (@NatGeo) November 9, 2017
Today would've been Carl Sagan's 83rd birthday. Happy birthday, Carl! https://t.co/9srJai6j2k (📷: @CSInst) pic.twitter.com/U7drYqBddO
— Paul Coxon (@paulcoxon) November 9, 2017
Remembering Carl Sagan on his #birthdayhttps://t.co/YZ9xPfXNBH pic.twitter.com/05YuRRvgEi
— Massimo (@Rainmaker1973) November 9, 2017
https://twitter.com/ChrisEvans/status/928609317959462913
Need some perspective on your place in the universe? Watch @NeilTyson read Carl Sagan's "Pale Blue Dot." pic.twitter.com/dLNvkLTkrj
— StarTalk (@StarTalkRadio) November 9, 2017
https://twitter.com/AreoLucy/status/928579842064384000
“Look again at that dot. That's here. That's home. That's us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives…on a mote of dust suspended in a sunbeam.”
-Carl Sagan#CarlSaganDay #ThursdayThoughts pic.twitter.com/kaXcIysdpK
— meeko’s mom (@_si_se_puede) November 9, 2017
Today, we're honoring the late #CarlSagan—who would have been 83 today. We can't think of anyone who inspired so many people to love science and the universe. #CarlSaganDay pic.twitter.com/olUJBRXyxX
— Popular Science (@PopSci) November 9, 2017
"Our planet is a lonely speck in the great enveloping cosmic dark…There is no hint that help will come from elsewhere to save us from ourselves."–Carl Sagan, born OTD 1934 pic.twitter.com/wwKhyPeExY
— Brian Greene (@bgreene) November 9, 2017
Happy birthday to Carl Sagan! The American astronomer and author (among other things) explained space to the general public through hundreds of articles, dozens of books, and his popular public television series "Cosmos"—watched by more than 500 million people. pic.twitter.com/qgr1I3MO1N
— American Museum of Natural History (@AMNH) November 9, 2017
Somewhere, something incredible is waiting to be known. -Carl Sagan
— Famous Quotes (@_Famouss_Quotes) November 10, 2017
Carl Sagan, who would've been 83 today, on the power of books and reading as the path to democracy https://t.co/eJHWlNRfuq pic.twitter.com/tiDxX8J59V
— Maria Popova (@brainpicker) November 10, 2017
Carl Sagan, born on this day in 1934, on humility, science as a force of democracy, and the value of uncertainty https://t.co/yNh0yPjHU9 pic.twitter.com/WUP0fYDDu4
— Maria Popova (@brainpicker) November 10, 2017
Wherever you're from, our Pale Blue Dot takes your breath away 🌎
On #CarlSaganDay, enjoy these humbling views of Earth from the Moon, Mars, Saturn and beyond. "… to preserve and cherish the pale blue dot, the only home we've ever known." – Carl Sagan https://t.co/9Z3bTiFwcf pic.twitter.com/X4gfuOk19D
— NASA Goddard Images (@NASAGoddardPix) November 10, 2017
You can keep your Bible and your Qur’an – your Vedas and your I Ching. Carl Sagan’s “The Demon-Haunted World” is the book I wish everyone would read and take to heart.#CarlSaganDay pic.twitter.com/mHRP9sBuro
— EdTalks: Ideas Worth Ignoring (@Paladin1969) November 10, 2017
For Carl Sagan's birthday, his stunning "Pale Blue Dot" monologue, animated https://t.co/7pSbndYSOB pic.twitter.com/hMlg7eNwG3
— Maria Popova (@brainpicker) November 9, 2017
Our marquee is celebrating the birth of the great scientist Carl Sagan, who was born on this date in 1934. Learn more here: https://t.co/aem4UZKpuZ pic.twitter.com/Gt6RZHES0I
— FFRF (@FFRF) November 9, 2017
Carl Sagan, born 83 years ago today, explains how stars are born, live, die, and give us life https://t.co/3YLQM4DiQU pic.twitter.com/I7MvKr5gjt
— Maria Popova (@brainpicker) November 9, 2017
Carl Sagan, shown here inventing the bong, would have been 83 today. pic.twitter.com/d5xhKKp4i3
— pourmecoffee (@pourmecoffee) November 9, 2017
It’s #CarlSagan Day. He changed my life. Bet he changed yours a bit too.
— Bill Nye (@BillNye) November 9, 2017
Earth is not immune from space rock. Thankfully impacts are rare, and big impacts even rarer, but as Carl Sagan so eloquently put it in the quote below, we can't keep whistling in the dark forever. https://t.co/UnRDXv3jd8 Happy Carl Sagan Day! pic.twitter.com/ipazWGcGWO
— Treehugger.com (@Treehugger) November 9, 2017
Happy birthday to the incomparable Carl Sagan. On this day I always take a few minutes to listen to the only scientifically minded speech, brilliantly spoken by Sagan, that never fails to instantly and profoundly reorient my perspective. https://t.co/KCunywWETH
— Kyle Hill (@Sci_Phile) November 9, 2017
Astrophysicist and science communicator Carl Sagan was born #OTD in 1934. Here is what he feared we might become, from “The Demon Haunted World.” pic.twitter.com/n3Gns6IBll
— Robert McNees (@mcnees) November 9, 2017
https://twitter.com/aaronhuertas/status/928611653641494529
Carl Sagan reading from his book "The Demon Haunted World: Science as a Candle in the Dark"https://t.co/VYwAtqidsH
— Lawrence (@rgnldprrn) November 10, 2017
"I have a foreboding of an America..when the people have lost the ability to..knowledgeably question those in authority..unable to distinguish between what feels good and what’s true, we slide, almost without noticing, back into superstition and darkness.” ~ Carl Sagan pic.twitter.com/0YwenUCYjh
— Sheril Kirshenbaum (@Sheril_) November 10, 2017
Carl Sagan foretelling the future, now our present. pic.twitter.com/AWMEZWz3jf
— 𝕀𝕧𝕒𝕟💥 (@StarStuff_ivan) November 9, 2017
Never overlook—especially on today, his birthday—how right Carl Sagan was https://t.co/OUuAlqe3kU
— WIRED (@WIRED) November 9, 2017
Happy birthday to our co-founder, Dr. Carl Sagan.
Our founders formed The Planetary Society to demonstrate—simply by its existence—that the public strongly supported planetary exploration.
In honor of Carl, consider writing to Congress today: https://t.co/9qq7JySM8v pic.twitter.com/W5tTe8IKnB
— Planetary Society (@exploreplanets) November 9, 2017
On his 83rd birthday missing Carl Sagan: surrogate uncle, mentor, colleague, friend, inspiration. Here's an interview @librarycongress did on my relationship with him. https://t.co/RNcdI1emLU pic.twitter.com/IHrUAX3ocq
— David Grinspoon (@DrFunkySpoon) November 9, 2017
Carl Sagan, who would've been 83 today, on the power of books and reading as the path to democracy https://t.co/eJHWlNRfuq pic.twitter.com/r6mkpiAtLX
— Maria Popova (@brainpicker) November 9, 2017
Happy Birthday Carl Sagan, we miss you! pic.twitter.com/ZYmEk5My4B
— Party Of Reason and Progress (PORP) (@theofficialporp) November 9, 2017
It’s Carl Sagan Day. His Warnings on Climate Change Were Clear and Urgent https://t.co/qwKMP5g8vn https://t.co/OPyf3CexhY
— Peter Sinclair (@PeterWSinclair) November 9, 2017
Happy 83rd birthday Carl Sagan! A deep thinker who humanized our quest to understand the cosmos.
— Sean Carroll (@seanmcarroll) November 9, 2017
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Posted by Ed Darrell 
Millard Fillmore's Bathtub 