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Astronomer Carl Sagan talks about Radio waves #astrophysics

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Carl Sagan was an alien sent to Earth to help us out
Comment from : @jcdenton4621

Howdy doody😂
Comment from : @Auricsight888

Carl Sagan didn’t just explain the universe — he explained usbrDo you think humanity truly understood his warnings?
Comment from : @CosmicWisdom93

This is one of the most mind blowing things about the universe for me The idea is fascinating and scary at the same time
Comment from : @ArsaDerinoglu

Thus the movie Contact
Comment from : @brianstewart4794

Cermet de frog 🐸
Comment from : @Ben-g2r

More than double that now
Comment from : @Entheogenicism

This man was in no sense completely full of himself
Comment from : @Micky-A

Two interesting men discussing a great subject that many people always wanted to know One of them is intelligent, in fact, a genius
Comment from : @merveilmeok2416

You learn something new everyday
Comment from : @spiritualhumanist

Hoping the resonance of all the chaos happening on earth right now resonates so far and wide that it reaches aliens to come help us! 🙃
Comment from : @Esagbay

If we had only had a few more Carl's and at least one less Donald's we'd have a much safer, intelligent, advanced society We certainly would not be living in this demented MAGA monopoly dystopia
Comment from : @humanist78

Humanity can only afford a handful of Carl Sagans a century
Comment from : @RudimusMaximus

Great👍👍ManofTheEarth👍🌏🙏
Comment from : @KunalKumar-rr9bk

Reminds me of HumanTV on High on Life streaming Tammy and the Trex and other films
Comment from : @whiteshadow247

Not AM radio, of course Our atmosphere bends all those signals back to the ground We can keep those transmissions for just ourselves and the whales
Comment from : @herrbrahms

No sound effects frist azan was without sound Islamic fact
Comment from : @ramani1601

Imagine a man like this as a president
Comment from : @AnunnakiWarrior88

And the aliens get confused because we’re also sitting out reruns
Comment from : @Ont785

Brian Cox Carl Sagan
Comment from : @pabzpogi5459

Carl fucking Sagan?! The guy that made Pale Blue Dot? Hes the reason I almost committed suicide one watching Men, Women, and Children, we literally wouldn't matter, for were a spec of dust in a vast desert of stars
Comment from : @marcodelarosa63

The intro scene to the movie "Contact" is great demonstration of what he's saying 👍
Comment from : @doudymac

I missed the days When we used to view Intelligence as a GOOD thing! Now we assign such an amazing quality To how much money one has in their bank account!
Comment from : @sdwone

Never thought about this 😂
Comment from : @barbaramuller5049

The Aliens have him Now!👽
Comment from : @HANGING_BANGING

Space and planets are watching reruns of i love lucy
Comment from : @Roger-t6s

The earliest broadcast strong enough to reach the next star in our galaxy was Hitler's opening speech at the the 1936 Summer Olympics in Berlin brbrYes, this is why nobody will ever visit us Or if they do, they'll be armed
Comment from : @biedl86

So when I'm 80 Livin on Mars I'll still be able to watch Michael Scott
Comment from : @gt_spec9371

Carl Sagan is off the planet clever
Comment from : @TimLaurence-i8g

He’s so simple when he explains things Sean Carrol is the same way
Comment from : @93Baby_

Inverse square law, whoa I'm not a physicist Could you dumb it down a shade for me?
Comment from : @darrenng9828

DAT
Comment from : @CaesarPoohLan75

I miss Carl I went to Cornell university and have met him a few times in lectures and classes His house is still there on Stewart Ave and his grave at Lakeview cemetery not too far away
Comment from : @sauronthegreat5799

Imagine tht the first thing you do in your life is reject the knowledge of godlet me know how tht works out
Comment from : @darrinstephenbartlett4435

Imagine Aliens that don't know Michael Jackson is dead yet
Comment from : @LanisDad1185

The biggest shill would be religion
Comment from : @gz9520

What an interesting man with a deep understanding of the universe!
Comment from : @josephgarcia2979

Could listen to this man all day
Comment from : @Supreme_King_Haki

guess WHO was featured in one of the first transmissions sent out?brAdolfbrIf Anyone has seen the beginning of the Jodie Foster film Contact, when the camera goes further from the earth, the signals get older, right back to the very first
Comment from : @justcaino9176

Biggest fool atheist in history who thought he could erase god and create his own fantasy reality
Comment from : @darrinstephenbartlett4435

Listen to this great man, now listen to our leadership in the US
Comment from : @stephenj8576

Kraftwerk: Radio Activity
Comment from : @NikolaiGuliaeff

I feel like he realized he was thinking "damn im old" when he said " 30 years ago"
Comment from : @ninjahero3

That means there's the first TV shows out there that's 80 light years away
Comment from : @The_Cannabis_Connoisseur

So does it mean there is no civilization at least with radio communication in 100 lightyears because we never receive their any electromagnetics communiation media they have even through powerfull antenna Or is it beacuse we haven't anntenna that sufficiently powerfull to receive that
Comment from : @rizkimaulana1387

How can a radio wave go twice as far but half the intensity if it can't go faster the light?
Comment from : @watamatafoyu

My hero What a legend
Comment from : @RaySagan-en8re

Carl Sagan the biggest shill and full in the world
Comment from : @getsomehelp68

Carl Sagan and Richard FeynmanbrThese 2 scientists made up my teenage years on YouTube
Comment from : @tf5920

This guy was great His voice was like audio Xanax You got smart and calm listening to him
Comment from : @nofishtoday

It’s crazy to think that aliens could theoretically discover us by seeing SNL
Comment from : @Žeta_řeticuli_0dyssey

Take as much wisdom as you can from this man Never going to have another like him
Comment from : @InvictusMajor

It seems like it was yesterdaythe two of them are no longer with us
Comment from : @andresinalbis6651

He almost fucked up saying when the first was invented
Comment from : @joelbranscum6001

The first season of “I Love Lucy” (1951) should be received by potentially 65 Solar systems in the 70-75 light year range according to Wikipedia Surely some race is enjoying an episode or two
Comment from : @historybuff66

He is so cool 😎 Makes Johnny boring
Comment from : @davegilmore7420

That was the basis of Carl Sagan’s 1985 science-fiction novel, “Contact”br(It was made into a movie in 1997)
Comment from : @M-20-100

Me apaixonei por Carl Sagan 😍🔥
Comment from : @YT-Ysmin

Love Carl Sagan speeches from Kenyan soil, they encourage ,inspires and motivates me to think big about cosmos
Comment from : @KatuvaAlexander-zf7wv

If tree falls in the
Comment from : @BernardBouchard-qq9kq

"They DOOOO" ❤❤❤
Comment from : @KING-365

Wait until the movie ‘Mars Attacks’ hits their screens, no doubt some 4ft bright green thing with 7 eyes and 1 ear will immediately assemble their version of NATO from planet Ananatrobulus and send them to us
Comment from : @AdH104

That 30 light years is now 75 light years There are over 1,000 stars with in 50 light years from Earth with about 4,000 exoplanets
Comment from : @johnmcnulty2705

Contact (1997)
Comment from : @edinamonsoon4794

Aliens sitting at home waiting for season 2 of Green Acres and I dream of Jeannie
Comment from : @vtwin1979

Dang This didn't allow his point about about a receiver powerful enough to "hear" or "see" this signal
Comment from : @jaydeejohnson7

Unless they're able to encrypt no use
Comment from : @tombruise2163

Will it eventually diminish to nothing? Or just get unimaginably weak?
Comment from : @kylemossi

that inverse square law means those signals wouldn't even make it out of the solar system before they are indistinguishable from background radiation noise
Comment from : @keithnicholas

Thinking that my first fartstill going 🤔
Comment from : @JohnParet-i5m

"Explain it to me like I'm 5 years old" Perfect
Comment from : @greggseager4632

How does lite violate in inverse square law? brwhat is powering light to do that?
Comment from : @DANTHETUBEMAN

Imagine how noisy the earth is
Comment from : @forkliftguy

The movie Explores lol
Comment from : @tophat27

Why I chant Hare Krishna Those sound waves travel all the way to Goloka
Comment from : @KobeBean33000

they quite didn't have a shared understanding of the term, "diminish," lol
Comment from : @ToMaTo_78

I have been illegally broadcasting into space for the past few months Mostly for fun, but we also add various messages for aliens to show them that there are people on this planet that differ from what the media shows
Comment from : @wukket

First broadcast was Hitler at the Olympics
Comment from : @purpledevilr7463

He orchestrated it
Comment from : @billybob-is6bt

for those who dont know, the first very powerful radio wave wouldve been a hitler speech
Comment from : @yoursleepparalysisdemon1828

God his hand gestures are fkn annoying
Comment from : @-TAPnRACK-

At least its not on a logarythmic scale
Comment from : @davidmcleod1760

Imagine being an alien and pointed your antenna at some random point at the sky and hear some angry Austrian noises
Comment from : @pao2725

Why haven't we gotten any tv shows from other civilizations?
Comment from : @tonynunez6539

Picture a family of ETs tuning into 1950’s “My Favorite Martian” and they don’t even ‘get it’!
Comment from : @daveylee4677

I checked his IQ, 170
Comment from : @richardraymond9108

can't you push yourself against the wavelength in space?
Comment from : @somewhereinchicago8743

Thoughthat Johnny would make a joke about his first shows being seen livebrOur first radiowaves are only 130 lightyears out
Comment from : @robertgift

The Dark Forest
Comment from : @blazerbeak

We can't travel faster than light However any mass (like suns) bend light in theory light leaving earth (on a clear day) thousands of years ago could by chance luck bend enough to head back to us would be cool if we can watch what happened in the past like a movie Of course it would be so diminished that no telescope could possibly put those individual photons back into an image Still it is a nice fantasy
Comment from : @gambit633