Have They Seen Us? | Space Time | PBS Digital Studios
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Are aliens watching Earth TV? We'd like to credit the SKA Organization for the image used in the thumbnail. Support us on Patreon! https://www.patreon.com/pbsspacetime Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Help tranlate our videos! https://www.youtube.com/timedtext_cs_panel?tab=2&c=UC7_gcs09iThXybpVgjHZ_7g Sources and further reading: The Square Kilometer Array https://www.skatelescope.org/ Eavesdropping on Radio Broadcasts from Galactic Civilizations with Upcoming Observatories for Redshifted 21cm Radiation Loeb & Zaldarriaga 2007, Journal of Cosmology and Astroparticle Physics, 1, 20 https://arxiv.org/pdf/astro-ph/0610377v2.pdf Costs and Difficulties of Large-Scale 'Messaging', and the Need for International Debate on Potential Risks Billingham & Bedford 2011 https://arxiv.org/abs/1102.1938 Previous Episode: https://www.youtube.com/watch?v=v3hd3AI2CAA Written and hosted by Matt O’Dowd Produced by Rusty Ward Graphics by Grayson Blackmon Made by Kornhaber Brown (www.kornhaberbrown.com) Comments Answered by Matt: Luca$sino https://www.youtube.com/watch?v=mht-1c4wc0Q&lc=z13vdbfbuu2pthqlt23eg33qpofgxdy5c04 Douglas Oak https://www.youtube.com/watch?v=mht-1c4wc0Q&lc=z133j1mrzkqbiramx22ovtvw0pbccfkna Grin Reaper Of Trolls https://www.youtube.com/watch?v=mht-1c4wc0Q&lc=z13wsvmhtw2rwlv1e232djyjukicyvf04 viermidebutura3 https://www.youtube.com/watch?v=mht-1c4wc0Q&lc=z13lu5cxbuqzjnnvt23scf0a1kzgdntrb04 Cornerrecord https://www.youtube.com/watch?v=mht-1c4wc0Q&lc=z135greojxekfvemq230jvcjuz3bt1ubz04 Special thanks to our Patreon Big Bang, Hypernova and Quasar Supporters: Henry Van Styn Antonio Park Joel Brinton Luna IT Solutions Clock Watcher Joe Ratfeast Vitaly Kovalenko John Hofmann Thanks to our Patreon Gamma Ray Burst Supporters: Jade Bilkey Kevin Warne JJ Bagnell J Rejc Bernardo Higuera Michael Fischer Dylan Merida Colette Weeks Amy Jie Anthony Caridi Avi Goldfinger Corey Smeaton John Pettit Shannan Catalano Florian Stinglmayr Yubo Du Benoit Pagé-Guitard Ronny Polonia Nathan Leniz Jessica Fraley Kirk Mathews Loro Lukic Carl P. Corliss Brandon labonte David Crane Greg Weiss David Matteson Marc Lagarde Eric Jackson Will and Sonja Marple
Comments
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A person can jump 20 times in a minute, he can push his limits and jump 40 times if he tried or if he had to. So the time ha took to make 'x' no of jumps cannot be taken in calculating 'Y' displacement or relative displacement or simply time..SO if the the whole universe is said to be in motion in relation to a second state of being or parallel dimension why cant the barrier between these so called dimensions be the motion of one in relation to other..
Sorry if I'm stupid.
BTW I really like the way you present these videos on such tough topics -
hey man how can I approach scientific community to tell my discovery
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I would really like to avoid next Tuesday
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Does Pbs SpaceTime celebrate Christmas?
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My dad saw an UFO when he was in the military (1970s, not sure exact what year, he was at the radar, former Yugoslavia), it was detected both visually and via radar unit. He is convinced aliens are visiting us. If interstellar travel is truly possible, then someone has spotted us and they have visited as explorers, I don't think that is far fetched. And I don't think its crazy that they don't want to interfere with our matters. We seem to be extremely dangerous, and maybe they consider immoral of them to destroy us so they just study us like we study honey badgers. PS as far as the story about UFOs goes, few planes were shut down, all involved were interviewed, he signed non disclosure (top secret) papers and thats about it. They looked like glowing white balls.
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Did AM radio left earth?
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Wait til they start getting all our porn...
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No upload this week?
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Given the obvious space attenuation and antenna requirements, would not the aliens use a bandwidth that is much higher than that of a TV signal? Why not send a 100MHz signal at 2GHz using some finite natural or mathematical sequence that is surely known and plausible to aliens. With power obviously being the limit we must use excessive bandwidth.
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i know how black hole work and you have no idea what i discover i was studing the moon rotation for one year and i have prove cus the moon does not rotate round the earth in perfect circklet then i askt myself why the earth rotate oraund his own axis why he is 23.27°and do a perfect cirkle for 26000 years all this is bicause a black hole and the gravity i know what heppen in diotherside of black hole if ther is anyon that wana no the truth about the black hole text me on my facebook Albert Guri im just 18 olmost 19 years old but waht i discover is wery intersting thankyou.
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Ditch the cuts, shit aint pretty
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"welcome" ships hahaha
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On January 25, 2017 Paris hypothesis is going show that it was a comet that passed in 1977 WoW signal, that's going to be exciting! if his hypothesis is wrong then I'm wondering what else it could be! 🤓🤓🤓
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At 15:25 you say that it is possible to escape a black hole by traveling faster than the space of light which, as I understand it, completely contradicts that fact that all "future" paths past the event horizon point towards the singularity
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This is stupid
Aliens don't have TVs -
the technology on this planet is barbaric, and its societies are still mostly tribal. The others dont wanna visit they have nothing to gain.
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Love your vids but really, Spacetime? The 'super-dish' at 3x the moon orbit is embarrassing. Can't someone break the chain of completely unscaled depictions of the moon's orbit? Give us something to wrap our brains around.
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Why do we decide that we are a young technological species, would it not depend on the average level of tech in the universe?
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In reference to: "avoiding a singularity becomes like avoiding next tuesday"
If space and time are 'flipped' once within the blackhole, do we gain the ability to move through time as we once did through space? I'm assuming the answer is no of course - but how can we lose both? Or is it just an artefact of the Penrose diagram?
Thanks - your videos are incredible. -
what if the aliens see in radio and television broadcasts are in the color spectrum
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