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The biblical figure Methuselah is said to have lived for 969 years. Its not surprising, then, that the oldest known star in the universe should go by the same name But what IS surprising is just how old Methuselah the astronomical object could be.

In this video, Unveiled explores the mystery behind the Methuselah star, which some say is older than the universe itself!

This is Unveiled, giving you incredible answers to extraordinary questions!

Find more amazing videos for your curiosity here:
What If You Travel Beyond the Oort Cloud? - https://www.youtube.com/watch?vTW4usoUg1O4
The True Scale of the Universe - https://www.youtube.com/watch?vjQh00bY9s_s

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#Methuselah #Star #Universe #Space #Science07:28 164 07:28Is This Star Older Than the Universe? | Unveiled 1080p 1080p

Dodał: Unveiled

Messages that travel THROUGH TIME! Join us, and find out more!

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In this video, Unveiled takes a closer look at time messaging! It sounds like science fiction, but its something thats coming in real life... messages that travel THROUGH TIME! What could this mean, and what paradoxes might be unlocked? Check out the video, and tell us your verdict in the comments!

This is Unveiled, giving you incredible answers to extraordinary questions!

Find more amazing videos for your curiosity here:
Different Types of Time Travel You Should Know About - https://youtu.be/jp_QID7dkj8
4 Time Travel Stories That Will Make You Question Reality - https://youtu.be/0ELiD9-X_ew

0:00 Intro
0:43 What Are Time Messages?
2:47 Tachyonic Anti-Telephone
4:49 Quantum Mechanics
6:43 Black Hole Messages
7:54 Conclusions

#Time #TimeTravel #Theory #Physics #Paradox #Science #Physics #SciFi08:50 25 08:50Is Time Messaging Possible? | Unveiled 1080p 1080p

Dodał: Unveiled

Is Time Travel Possible?
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Everyone has thought about time travel at least once in their life. Maybe youve wanted to go back in time and try to change something from your past. Theres even a lot of science fiction movies out there that involve time travel, or were inspired by time travel in some way or another. But is it really possible to travel back or forward in time? And if it really is possible, what would we have to do in order to make time travel a reality? 

The very thought about time travel and what it would take to make it a reality is mind-boggling. It is something that scientists, especially astrophysicists, have long thought about. The most fantastic thing? Its probably possible. We should probably start off with the bad news about time travel. We probably cant travel back in time and watch the Egyptians build the pyramids. However, there are a number of theories that have suggested that it is possible to take a leap forward in time. But going back in time is far more complicated. Thats not saying its impossible though. 

The great 20th century scientist Albert Einstein developed a theory called Special Relativity. While most people think of time as a constant, Einstein showed that time is an illusion; it is relative in that it can vary for different observers depending on your speed through space. The ideas of Special Relativity are very hard to imagine because they arent about what we experience in everyday life, but other scientists have confirmed this theory. The theory says that space and time are really aspects of the same thing which is called space-time. There is a speed limit of 300,000 kilometers per second (or 186,000 miles per second) for anything that travels through space-time, and light always travels this speed limit through empty space. 

So more about this illusion of time, Special Relativity says that a surprising thing happens when you move through space-time, especially when your speed relative to other objects is close to the speed of light. Time goes slower for you than for the people you left behind. You wont notice this effect until you return to those stationary people. 

So as an experiment, lets say you were 15 years old and you left Earth in a spacecraft traveling at about close to the speed of light, and you celebrated only five birthdays during your space voyage. When you got home at the age of 20, you would find that all your classmates who were the same age as you when you left were 65 years old, retired, and hanging out with their grandchildren! The reason for this is because as time passed more slowly for you, you would have experienced only five years of life, while your classmates will have experienced a full 50 years.10:16 58 10:16Is Time Travel Possible? | Unveiled 1080p 1080p

Dodał: Unveiled

Will the Universe Ever Shrink?  Subscribe: https://goo.gl/GmtyPv 
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The Universe is big. Like, really big. But will it ever stop growing and start to get smaller? Some theories say it will, leading to an eventual collapse, bounce back or general descent into nothingness. It all sounds pretty ominous, but its purely theoretical. For now, at least!

What do you think? Let us know in the comments, and tell us more questions youd like us to explore!

Find more mind bending videos to satisfy your curiosity here:

What If the Sun Switched Off for 24 Hours? - https://www.youtube.com/watch?vpR4PQUAIFwA

How Long Would it Take to Travel the Solar System? - https://www.youtube.com/watch?v3bGraeIkaJw06:32 612 06:32Is the Universe Shrinking? | Unveiled 1080p 1080p

Dodał: Unveiled

The Jobs That Robots Will Never Be Able To Do  Subscribe: https://goo.gl/GmtyPv 
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Artificial Intelligence - Its taking over the world, right? Whatever your opinion of the way in which smart technology is shaping our lives, computerisation and digitalisation have revolutionised the workplace - and robots are an increasingly common sight! But what does that mean for us? For this video, we take a look at the jobs and careers that are safe from robot replacements... At least, for now!

What do you think? Let us know in the comments, and tell us more questions youd like us to explore!

Find more mind bending videos to satisfy your curiosity here:

How Much Pain Can We Realistically Take? - https://www.youtube.com/watch?vTtFGjhuMCCo

What If Humans Lived Forever? - https://www.youtube.com/watch?v9NYRtd48-qE

#ArtificialIntelligence #SmartTech #Technology #Robot07:08 619 07:08Jobs Robots Will Never Be Able To Do | Unveiled 1080p 1080p

Dodał: Unveiled

This is the Kardashev Scale explained in 60 seconds! Join us... and explore!

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The Kardashev Scale explained in 60 seconds... Enjoy!

This is Unveiled, giving you incredible answers to extraordinary questions!

Find more amazing videos for your curiosity here:
Are We Living in the Dark Forest? - https://youtu.be/sFvf6Elp3D0
What Will Humanity Look like in 1,000,000 Years? - https://youtu.be/fNj5Akyw49M

#Shorts #Kardashev #Civilization00:59 20 00:59Kardashev Scale in 60 Seconds! 1080p 1080p

Dodał: Unveiled

Living on a generation ship... it could be humanitys last hope for its own survival in the future! For this video, Unveiled discovers what living on an interstellar generation ship would really be like... How big would the ship need to be? How fast would it need to travel? And how many astronauts would it need to hold? What do you think... Could you travel all across the universe and outer space inside a generation ship?

This is Unveiled, giving you incredible answers to extraordinary questions!

Find more amazing videos for your curiosity here:
Did Another Universe Exist Before This One? - https://www.youtube.com/watch?vfvltsEvvBds
How Many Stars Are in the Universe? - https://www.youtube.com/watch?vvmtwvSeW0hc

Are you constantly curious? Then subscribe for more from Unveiled  https://goo.gl/GmtyPv

#Universe #Space #Interstellar #Hyperspace #Multiverse #SolarSystem07:32 48 07:32Living on a Generation Ship | Unveiled 1080p 1080p

Dodał: Unveiled

NASA hopes to get humans back to the moon through the Artemis Program, with some estimates claiming that we will have a working lunar base within the next decade! But, what will life on the moon actually be like? In this video, Unveiled reveals the plans for living on the moon, including some surprising ideas on where well sleep and what well eat!

This is Unveiled, giving you incredible answers to extraordinary questions!

Find more amazing videos for your curiosity here:
Will Humans Conquer the Solar System? - https://www.youtube.com/watch?vkxaIl32jED4
Why Earth Has 2 Moons - https://www.youtube.com/watch?vGOXKs3nwAl4

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#Moon #MoonBase #SpaceTravel #Space #NASA #Future06:12 314 06:12Living on the Moon in Real Life | Unveiled 1080p 1080p

Dodał: Unveiled

This is what happens when space travel goes wrong! Join us... and find out more!

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When missions to space FAIL they can become some of the MOST EXPENSIVE fails in history! In this video, Unveiled takes a closer look at 6 of the most economically disastrous missions... of all time! Featuring NASA, the Soviet Space Program, the South Korea Space Program, and more!

This is Unveiled, giving you incredible answers to extraordinary questions!

Find more amazing videos for your curiosity here:
4 Ways ISRO Is Changing Space Travel Forever - https://youtu.be/Sa-6SUWtdpg
8 Space Discoveries That Could Happen in the Next 10 Years - https://youtu.be/O_XDWVI4ebA

0:00 Start
0:27 Orbiting Astronomical Observatory Satellites
2:02 Mars Climate Orbiter
3:49 Ekspress-AM4
4:41 Shijian-18
5:07 Naro-1
6:27 Glory Satellite
7:37 Salyut 2 Space Station
9:07 Conclusions

#Space #SpaceTravel #MostExpensive09:33 27 09:33Most Expensive Space Mission Fails | Unveiled 1080p 1080p

Dodał: Unveiled

Where did NASA come from... and where is it going in the future? Join us to find out!

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In this video, Unveiled takes a closer look at the history of the National Aeronautics and Space Administration - also known as NASA!

This is Unveiled, giving you incredible answers to extraordinary questions!

Find more amazing videos for your curiosity here:
Are There Aliens in Our Galaxy and ON EARTH? - https://youtu.be/K4zO6RJ2Hbo
Introducing the Time Travel Apocalypse - https://youtu.be/FTgc1CLBCrk?

#NASA #Mars #Planets #Universe #Space #Apollo #SpaceTravel #SolarSystem #Science #Unveiled #Documentary09:31 321 09:31NASA Then Vs Now | Unveiled 1080p 1080p

Dodał: Unveiled

Why isnt Hiroshima an abandoned, radioactive city?? Join us... and find out!

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In this video, Unveiled takes a closer look at the key differences between a NUCLEAR BOMB and a NUCLEAR MELTDOWN! In recent history, the world has witnessed both events, and both have come with terrible consequences... but why is it that Hiroshima and Nagasaki are today safe, while Chernobyl remains extremely dangerous?

This is Unveiled, giving you incredible answers to extraordinary questions!

Find more amazing videos for your curiosity here:
What If the World Was Ending in One Year? - https://youtu.be/Pl5h5K_dRws
Did Scientists Just Discover Something Incredible? - https://youtu.be/zDh1tkqBJpI

#Oppenheimer #NuclearBomb #War #America #Hiroshima #Nagasaki #Chernobyl #Pripyat09:28 31 09:28Nuclear Meltdowns Vs Nuclear Bombs Explained 1080p 1080p

Dodał: Unveiled

For how long has humankind known about PARALLEL WORLDS? Join us... and find out!

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In this video, Unveiled takes a closer look at beliefs about parallel universes and the multiverse in the ancient world!

This is Unveiled, giving you incredible answers to extraordinary questions!

Find more amazing videos for your curiosity here:
100 Things to Survive the End of Civilization - https://youtu.be/CfeLtRQR37E?
Do We Enter a Parallel Universe When We Die? - https://youtu.be/DeFErI1EVus?

#ParallelWorld #ParallelUniverse #Ancient #AncientHistory #Space #Science #Unveiled20:53 12 20:53Parallel Universes in Ancient History 1080p 1080p

Dodał: Unveiled