Is This Why We Haven’t Found Alien Civilizations? | STELLAR

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Physics Girl explores how We’ll Find the Aliens in Our Solar System!
• How We’ll Find the Ali...
Looking up at the stars makes you wonder: what and who is out there? And why haven’t we seen any other intelligent civilizations given the vast size and age of the universe? They’re complicated questions and although we haven’t met any other space-faring species we do have a way of calculating just how many alien civilizations might be out there as well as some rather frightening ideas as to why we might not have met them.
This video is a bit different from most It's Okay To Be Smart videos. It's part of a new PBS miniseries called STELLAR, done in collaboration with Matt O’Dowd from PBS Space Time and Dianna Cowern from Physics Girl. Over six episodes we travel to telescopes, go inside space research centers, and chat with amazing scientists to bring you the most exciting stories about space.
**I figure out how we took a picture of a Black Hole with a telescope the size of Earth
• How To See a Black Hol...
**Matt O’Dowd exploring the oldest quasar ever seen at the Gemini Telescope: • The Quasar from The Be...
**Physics Girl visits LIGO to learn about gravitational waves:
• I Visited the First Gr...
You'll be able to see future episodes on the Physics Girl, Space Time and It’s Okay to be Smart RU-vid channels, as well as the PBS Digital Studios Facebook page.
Stellar is a part of the PBS Summer of Space. They'll be lots of awesome space related content all summer long on PBS. See what's happening at www.pbs.org/summer-of-space/
#SummerOfSpacePBS #astrophysics #space
Hosted by Joe Hanson
Written by: Joe Hanson, Andrew Kornhaber, Eric Brown
Directed by: Eric Brown and Andrew Kornhaber
Producer: Randa Eid
Director of Photography: Eric Brouse
Sound: Tobi Nova
Production Assistant: Anna Bosketti
Editing: Pavel Ezrohi
Graphics: Murilo Lopes
Assistant Editing: Daniel Sircar
Produced By: Kornhaber Brown

Опубликовано:

21 июл 2019

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Комментарии : 1,7 тыс.

@besmart 5 лет назад

Note: Mauna Kea is sacred land in Hawaii. For more, see this story from PBS NewsHour:

@OhShitLogic 5 лет назад

I hope in my lifetime we discover a living organism on another planet

@Real28 5 лет назад

The assumption is that life outside Earth needs water. Or has even remotely similar attributes to us. Maybe we are unique but maybe other life forms exist but were not even looking in the right place for them.

@iamsmoke4654 5 лет назад

I'm not sure but maybe if they zoom in on Earth, they probably see dinosaurs because it takes so long for light to travel that far away

@bilalsadain 5 лет назад

Even if we only find single celled organisms on another planet, it will change everything we know about life

@a59x 5 лет назад

Maybe when aliens are bored of intelligence and start looking for stupid life they may find us first.

@ZoggFromBetelgeuse 5 лет назад

If I were you Earthlings, I wouldn't look so hard to contact extraterrestrial life, I'd rather try to stay under the radar. Believe me, you're better off without the Central Galactic Bureaucracy.

@Maeve-The-Brave 4 года назад

Wow! I took Astronomy 101 with John O’Meara at Saint Michaels College in my junior year! He is truly a fantastic professor, and this is coming from someone who has struggled greatly with the traditional American school system for my entire student career. I have to give him serious credit for jump-starting my now-huge interest in space and astronomy. Since taking his class, I’ve always been proud to tell anyone who will listen that one my professors works with the Keck telescopes! He presented probably the best lecture I’ve ever been to in my life on the last day of class about aliens and the Drake Equation. I remember the entire classroom standing up and applauding afterwards. Thank you for more than you know, professor O’Meara.

@Sam-ux8gh 5 лет назад

Plot twist: we are the aliens

@Asteroid_Jam 5 лет назад

One problem is we are assuming that all life forms would use the same bio chemistry like use. They be using a chemistry we can not even imagine because how little we know about universe.

@anunayasingh3621 5 лет назад

Simple living organisms might be very common but intelligent life must be very rare

@ap8802 3 года назад

'Sometimes I think the surest sign that intelligent life exists elsewhere in the Universe is that none of it has tried to contact us.'

@fartissimo 3 года назад

The most profound scene I witnessed in a movie was the one in Contact where Jodie Foster's character was asked if she could ask one question to an intelligent alien species, what would it be? Her response was simple and beautiful- "How did you survive your technological adolescence?". That question encapsulates the sincere hope humans may be able to transcend our petty differences and also an understanding that an advanced alien species capable of interstellar travel had to go through their own difficult maturation too. I wish that movie gave better insight into that question- but I fear our evolution into a more advanced civilization will always be constrained by our lizard brains and primitive impulses. In the extremely unlikely event aliens from another planet visit Earth one day, it's likely the only evidence of our existence will be the abundance of radioactive isotopes that could not have formed naturally either through stellar processes or radioactive decay.

@Brainstorm69 5 лет назад

You better believe that I will click on ANY video that discusses the Fermi Paradox. 10/10

@dopestdailydrivers2214 5 лет назад

The great filter is time and distance.

@ScottJWaldron 5 лет назад

Great video with a lot of information and an important message! Also, great job on the audio. It must have been really challenging in some of those filming locations.