Are We Ready For Aliens?
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Naked Science - Alien Contact
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Just for a moment, imagine a universe awash with life, where we humans are not the only intelligent beings around. What might these alien races look like? Could we communicate with them, or even recognise them as intelligent? And what would they make of our violent and dangerous species? Might they take one look, and decide not to bother with such primitive beings? A planetary nursery filled with spiteful, galactic infants. On the other hand, in our imaginary scenario, they may enrich us with scientific knowledge beyond our imagination. Or could an encounter with aliens have a more destructive outcome? It could be a bad day for human kind. But relax, it’s just make believe, it could never happen, could it?
A mysterious crash in Roswell, New Mexico during the 1940s convinced many that our planet is being visited by space aliens. Crop circles in Britain have only added fuel to the fire. Few scientists doubt that life indeed exists elsewhere, but some believe we're more likely to make contact via radio waves. Join the search for extra-terrestrials and hear from scientists who think we are on the verge of making contact.
Neil deGrasse Tyson Is Worried That Humans Are Too Stupid For Aliens
A lot of people ask StarTalk Radio host Neil deGrasse Tyson if extraterrestrial life exists and why haven't we encountered any alien life yet.
Maybe they have visited us in Times Square, Tyson tells us. But no one noticed because everybody who hangs out in Times Square is just a little crazy.
A more serious concern, though, is that maybe humans are so stupid and uncivilized that aliens have decided we're not worth encountering.
Neil deGrasse Tyson talks about aliens and why it actually might be a good thing that aliens haven't visited Earth yet.
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First Contact Part 1: How Prepared Are We?
We all have our favorite first contact movies...but are we actually prepared to meet extraterrestrials in real life? Does the world have a game plan for when the aliens come to visit?
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Why Can't We See Evidence of Alien Life?
Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful.
What If We Do Find Aliens? How Prepared Is Earth For Meeting Extraterrestrials
We've been so busy wondering how we'll find aliens that we never stopped to consider what we'll do if we actually encounter them. How does an alien discovery get communicated to the media? Who's responsible to craft a response?
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Time to talk about my favorite topic: aliens.
We’ve covered the Fermi Paradox many times over several episodes of the Guide to Space. This is the idea that the Universe is huge, and old, and the ingredients of life are everywhere. Life could and should have have appeared many times across the galaxy, but it’s really strange that we haven’t found any evidence for them yet.
We’ve also talked about how we as a species have gone looking for aliens. How we’re searching the sky for signals from their alien communications. How the next generation of space and ground-based telescopes will let us directly image the atmospheres of extrasolar planets. If we see large quantities of oxygen, or other chemicals that shouldn’t be around, it’s a good indication there’s life on their planet.
We’ve even talked about how aliens could use that technique on us. We’ve been sending our radio and television signals out into space for the last few decades. Who knows what crazy things they think about our “historical documents”? But Earth life itself has been broadcasting our existence for hundreds of millions of years, since the first plankton started filling our atmosphere with oxygen. A distant civilization could be analyzing our atmosphere and know exactly when we entered the industrial age.
But what we haven’t talked about, the space elephant in the room, if you will, is what we’ll do if we actually make contact. What are we going to say to each other? And what will happen if the aliens show up?
Although there’s no official protocol on talking to aliens, scientists and research institutions have been puzzling out the best way we might communicate for quite a while.
Perhaps the best example is the SETI Institute, the US-based research group who have dedicated radio telescopes scanning the skies for messages from space.
Let’s imagine you’re a SETI researcher, and you’re browsing last night’s logs and you see what looks like a message. Maybe it’s instructions to build some kind of dimensional portal, or a recipe book.
Whatever you do, don’t try out the recipes.
Instead, you need to make absolutely sure you’re not dealing with some kind of natural phenomenon. Then you need to reach out to other researchers and get them to confirm the signal.
If they agree it’s aliens, then you need to inform the International Astronomical Union and other international groups, like the United Nations, Committee on Space Research, etc.
Unless they’ve got some good reason to stop you, it’s time to announce the discovery to the worldwide media. You made the discovery, you get to break the news to the world.
At this point, of course, the entire world is going to freak right out.
Whatever you do, however, you have to resist the urge to send back a message or build that dimensional portal, no matter how much you think you understand the science.
Instead, let an international committee mull it over while you stockpile supplies in a secret alien proof bunker in the desert.
In a second, we’re going to talk about how that international committee is going to figure out what to say to a terrifying and overwhelmingly powerful space empire. But first, I’d like to thank Jabbar Nodehi, Zach Kanzler, John Marshall, and the rest of our 643 patrons for their generous support. If you love what we’re doing and want to help out, head over to patreon.com/universetoday.
What kind of message should we actually craft to our new alien penpals? Will we become fast friends, jump starting our own technological progress, or will we insult them by accident?
In 2000, and international group of SETI researchers including the famous Jill Tarter devised The Rio Scale. It really easy to use, and there’s even a fun online calculator.
Step 1, figure out the class of phenomenon. Is it a message sent directly to Earth, expecting a reply? Or did we merely find some alien artifact or old timey Dyson sphere orbiting a nearby star?
Step 2, how verifiable is the discovery? Are we talking ongoing signals received by SETI researchers, or a hint in some old data that’s impossible to confirm?
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China Is About Ready To Look For Aliens After Relocating 9,000 Humans
In its search for alien life, China is uprooting more than 9,000 earthlings.
The country just finished installing the world's largest radio telescope. It's designed to detect radio emissions from the far corners of the universe.
But more than 9,000 people who lived in an about 3-mile radius of the dish were forced to move. Officials said the move would create a sound electromagnetic wave environment for the telescope.
A report from Xinhua said each resident would be compensated about $1,800, but residents in an ethnic minority household will get about $1,500.
Chinese officials say it will allow scientists to search for intelligent life outside our galaxy.
SEE MORE: Imagine What 2 Telescopes in Space Will See — If Hubble Doesn't Break
The device is about 1,640 feet wide, and its massive size allows it to pick up weaker signals from farther away. When it's finally switched on in September, it will be able to pick up signals from 1,000 light-years away.
This video includes images from Getty Images and clips from BBC, RT, Press TV and NASA. Music provided courtesy of APM Music.
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Time Explains: Could We Be Aliens? | TIME
TIME explains the tantalizing evidence that suggests life on Earth may have been seeded from other planets
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Time Explains: Could We Be Aliens? | TIME
Fluid Dynamics and Aliens! (Okay, Not Really) | SciShow Quiz Show
This week, Dr. Shini Somara goes toe to toe with Hank in a battle of wits about fluid dynamics and life in space.
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Ray Kurzweil - Where are All Those Aliens?
Most scientists assume that the universe must be populated with innumerable alien intelligences and civilizations—after all, there are billions of galaxies each with billions of stars and planets—we humans can't be so special.
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