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Category Archives: Astronomy
Missing Matter
Astronomers have used a network of mysterious fast radio bursts (FRBs) to detect half of the Universe’s normal matter, missing until now. Credit: ICRAR with some footage supplied by CSIRO/Alex Cherney, ESO/y. Beletsky and ESO/R. Wesson.
What Is The Lifetime Of A Photon?
As you may have read somewhere, light only takes 8 minutes to cover the distance between the Sun and the Earth. Yes, that’s an insanely short time, considering that we are talking about 150 million kilometres! But the light that … Continue reading
Hubble: 30 years unveiling the universe
Launched on 24 April 1990, and deployed from the Space Shuttle Discovery cargo bay a day later (25 April 1990), the telescope has given us a new perspective on the Universe. The joint NASA/ESA mission has shown us distant galaxies … Continue reading
Hubble: An Unexpected Journey [Eye in the Sky Video Miniseries]
Episode 2: An Unexpected Journey – With five servicing missions, upgraded instruments, and new ways of operating, Hubble is not the same telescope it was when it launched. Discover the innovative ways astronomers and engineers use Hubble today. Video … Continue reading
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11 Billion Years of Our Universe’s History Were Missing… Until Now
After 20 years of mapping the night sky, one project has filled in an 11 billion year gap in our knowledge of the universe’s history. » Subscribe to Seeker! http://bit.ly/subscribeseeker » Watch more Elements! http://bit.ly/ElementsPlaylist » Visit our shop at … Continue reading
Intertemporal Communication
There’s a plausible chance that we may be alone in the galaxy right now. But the odds that the galaxy has never, and will never, host other civilizations is far less likely. Today we explore the possibility of communicating through … Continue reading
We Were Wrong About the Shape of the Solar System
Hello and welcome! My name is Anton and in this video, we will talk about a new discovery that suggests the shape of our solar system is different from what we always thought! Paper: https://www.nature.com/articles/s4155…
Alexander Vilenkin – What is the Far Far Future of Humans in the Universe?
Consider humanity’s astounding progress in science during the past three hundred years. Now take a deep breath and project forward three billion years. Assuming humans survive, can we even conceive of what our progeny might be like? Will we colonize … Continue reading
Half the universe was missing… until now
Half of the ordinary baryonic matter has been tough to find but Fast Radio Bursts made it possible to detect the WHIM. Thanks to Kiwico for sponsoring this video! For 20% off go to https://kiwico.com/veritasium or use code VERITASIUM at … Continue reading
The mysterious echo from the Sun: the IBEX Ribbon | Unsolved Mystery in Physics
Go to http://brilliant.org/DrBecky and sign up for free. The first 200 people that go to that link will get 20% off the annual premium subscription. In 2009 the IBEX satellite detected an excess of atoms reflected back from a particular … Continue reading
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