SciShow
The Universe’s Second, Bigger Bang
In 2023, a team of researchers proposed that our universe experienced not one, but TWO Big Bangs about a month apart from one another. The first for the stuff described by our Standard Model of Particle Physics. And the second for that...
SciShow
Plasma, The Most Common Phase of Matter in the Universe
Get to know plasma, the most common, but probably least understood, phase of matter in the universe!
SciShow
Great Minds: Conny Aerts, the Starquake Professor
While doing some light reading of data from a telescope, Conny Aerts made a breakthrough that allowed her to lead the charge in the field of asteroseismology and win her the 2022 Kavli Prize in Astrophysics.
PBS
Cosmic Microwave Background Challenge | Space Time | PBS Digital Studios
If a photon leaves the train station shortly after the Big Bang ...
PBS
Secrets of the Cosmic Microwave Background
Hook up an old antenna to your TV and scan between channels. The static buzz you hear is mostly due to the ambient radio produced by our noisy pre-galactic civilization. But around one percent of that buzz is something very different –...
PBS
The Strange Universe of Gravitational Lensing
Niels Bohr, a Danish Physicist said “Everything we call real is made of things that cannot be regarded .” Is what we see perceived to be real or is it an illusion? In the world of our mind’s eye, light travels in a straight line. In...
PBS
Cosmic Microwave Background Explained
HAS SPACE ALWAYS BEEN BLACK? As long as we've been around, YES. But the universe gets much more exciting, AND much BRIGHTER, as we start winding our clocks back to the early days of the universe. Near the beginning of the universe, when...
PBS
How Many States Of Matter Are There?
Let’s talk about states of matter. You know your states of matter don’t you? We have solids, liquids and gasses, and plasmas, quark-gluon plasmas, nuclear matter, bose-einstein condensates, neutronium, time crystals, and sand. Come to...
SciShow
There's Water on...the Sun?
With an effective surface temperature of roughly 5,500 degrees Celsius, you might think water couldn't survive on the Sun. Well, scientists debated whether or not it was there for nearly a century, and it turns out, it can!
SciShow
Why Don't We Have Nuclear Fusion Power Yet?
Thanks to LastPass for sponsoring this video. Check out LastPass here: http://bit.ly/2GbcEci Fusion power is supposed to save us from fossil fuels, so when is nuclear fusion going to be a viable option and why has it been so elusive?
SciShow
How Wiretapping Helped Transform Astronomy
Early telegraph operators and WWI spies picked up some weird noises on radio waves. As it turned out, they were actually listening to plasma waves in Earth’s magnetic field lines!
TED-Ed
TED-Ed: How epic solar winds make brilliant polar lights - Michael Molina
Why do we see those stunning lights in the northern- and southernmost portions of the night sky? The Aurora Borealis and Aurora Australis occur when high-energy particles are flung from the Sun's corona toward the Earth and mingle with...
SciShow
Thrusters That Eat Teflon! Pulsed Plasma Thrusters
Pulsed plasma thrusters use the same stuff that’s on your frying pan to make spacecraft zoom around the universe. And they’ve been doing it since the 1960s.
TED-Ed
The woman who stared at the sun | Alex Gendler
In 1944, amateur astronomer Hisako Koyama's latest endeavor was sketching the sun's shifting surface. She spent weeks angling her telescope towards the sun and tracking every change she saw with drawings. Little did she know, these...
SciShow
From Thunderstorms to Black Holes: 4 Natural Particle Accelerators
We've been making particle accelerators for more than a century and have accelerated particles to more than 99.9999% the speed of light. But our accelerators are nothing compared to some of the ones we've found in nature!
SciShow
The Sun’s Electric Field Isn’t as Strong as We Thought!
The sun shapes the solar system in many ways, including through its mysterious solar wind, which was thought to be pushed through the force of the sun’s electric field. Recent observations revealed, though, that that hypothesis may not...
SciShow
Space Exploration Isn’t Great for the Earth (But It Could Be)
Building and launching rockets to learn about other worlds hasn't been great for Earth, but environmental engineers are working on changing that legacy.
TED-Ed
TED-Ed: Why the Sun could crash your internet | Fabio Pacucci
In September 1859, miners following the Colorado gold rush woke up to another sunny day. Or so they thought. To their surprise, they soon discovered it was actually 1am and the sky wasn't lit by the sun, but rather by brilliant drapes of...
SciShow
The VASIMR Engine: How to Get to Mars in 40 Days
Chemical engines can only move us through the solar system so quickly, but a faster method is being engineered right now that could get us to Mars in just 40 days!
SciShow
Our Past Written in the Stars
Unfortunately, time machines don't exist, but there are other ways to learn about our sun's past.
SciShow
How a Century-Old Procedure Could Help Us Fight COVID-19
Some potentially good news on the COVID-19 treatment front: Thanks to a technique that’s more than a century old, recovered COVID-19 patients may be in a position to help the rest of us -- with their blood plasma.
PBS
Space Used to Be Orange!!
As long as we've been around, YES. But the universe gets much more exciting, AND much BRIGHTER, as we start winding our clocks back to the early days of the universe. Near the beginning of the universe, when space was rapidly expanding,...
SciShow
The Solar Storm That Almost Started World War III
May 23rd, 1967 could have been the beginning of the end - all thanks to the sun.
SciShow
There Are Planet-Sized 'Tornadoes' on the Sun!
Solar tornadoes are not tornadoes, and scientists are studying a black hole with a telescope bigger than the earth!