SciShow
Our Galaxy May Be 10 Times Bigger Than We Thought
The Milky Way is often described as measuring 100,000 light years across and containing the mass of a trillion Suns. But our home galaxy is actually far bigger, and might be much less massive. Astronomers aren't sure what the exact stats...
Crash Course
The Sun & The Earth Crash Course Big History 3
In which John Green, Hank Green, and Emily Graslie teach you about our Sun, and the formation of the planets. We're going to focus on the formation and development of the Earth, because that's where people live. You'll learn about the...
SciShow
Can We Redirect Asteroids like in Armageddon? | SciShow News
If you think punching an asteroid to knock it off the course to Earth’s destruction is purely for science fiction, you might only be right a for a little longer! Plus, scientists are being thrown for a loop with the orbits of planets...
SciShow
The Latest From Mars: Day 2
Hank briefs us on the current status of the Mars Science Laboratory, and gives us a taste of what we can hope to see coming from it in the next few months, and during the rest of its two year mission.
SciShow
The Oldest, Most Distant Object in the Universe Discovered
Hank reports on the discovery by NASA scientists of the most distant, oldest galaxy ever observed.
SciShow
SciShow Quiz Show: Reid Reimers
Michael Aranda hosts SciShow's new Quiz Show! Hank and Reid have a battle of wits to win prizes for two lucky Subbable Subscribers! Chapters View all MICHAEL ARANDA 0:17 REID REIMERS 0:28 KEITH CHEIM 1:34 SPERM WHALE 4:26 COLLOID 5:30 A...
SciShow
Why This Galaxy Gets TWO Black Holes
There’s a massive black hole next door that appears far too big for its host galaxy! And in another galaxy, TWO supermassive black holes formed, giving us a glimpse at a true rarity in astronomy!
Crash Course Kids
Space Compilation
Maybe you'd like to just hear about one topic for a while. We understand. Thus, we've created our Compilation Series. In this video, we look at some of our videos about Space. Sabrina talks to us about the Sun, stars, the universe, and...
PBS
When Quasars When Quasars Collide STJC
In this video, we discuss the reports about the detection of a pair of supermassive black holes orbiting only one light year apart from each other. Studying the dance of these giants should tell us a ton about how black holes grow.
Crash Course Kids
Spaced Out
So... how big is the Universe? It's big... really big... no, bigger than that... it's big. In this episode of Crash Course Kids, Sabrina gives us some perspective on this whole Universe thing and how we fit into it.
Be Smart
Why Is The Universe So Empty? (ft. PHD Comics!)
Why is the universe organized the way it is? And why is it so empty? From planets and stars to superclusters and galactic filaments, the universe's largest structures formed because of its smallest. In this special collaboration with PHD...
SciShow
Studying Supernovas From the Bottom of the Ocean
Stars blowing up is a surprisingly common occurrence, but who would have thought to search the bottom of the ocean if you were trying to study them?!
SciShow
Rogue Planet Discovered!
Today Hank brings us the news of a unique astronomical discovery - a rogue planet. He also allays our fears of an apocalyptic collision with Earth. So, this new planet is awesome, but it needs a different name - CFBDSIR...
Crash Course
The Sun & The Earth: Crash Course Big History
In which John Green, Hank Green, and Emily Graslie teach you about our Sun, and the formation of the planets. We're going to focus on the formation and development of the Earth, because that's where people live. You'll learn about the...
Curated Video
What is a Light Year?
When we look at distant stars, we are looking back in time. What is a light year, how is it measured and why do we measure distance in terms of time? Physics - Universe - Learning Points. Light travels through space at 300 million metres...
Curated Video
Big Ideas - Episode 23 - Hubble Space Telescope
The Big Idea is called Maglev, which stands for Magnetic Levitation. A wheel-less vehicle on a magnetic track is powered by electrical linear motors. This method has the potential to be faster and quieter than most conventional trains,...
Curated Video
Why Can't You See Stars from an Airplane at Night?
While flying over a metropolitan or densely populated area at night, it’s likely that you won’t see stars from the airplane window. This is because the excessive artificial lighting (i.e., light pollution) of the city can light up the...
Wonderscape
F to L: Exploring Stars, Galaxies, and More
This video continues the space journey, covering letters F to L. It delves into fixed stars, galaxies, the Hubble Telescope, the International Space Station, Jupiter, the Kuiper Belt, and light years. Alphabet in Outer Space part 3
Curated Video
Our Solar System
Dr. Forrester classifies the parts of our solar system by examining such components as planets, moon, Sun, Milky Way, comets, asteroids, and meteors. She explains lunar phases, lunar eclipses, and solar eclipses. Dr. Forrester...
Curated Video
Rigel - Stars of the Universe Song
Learn about Rigel -- one of the brightest stars in the universe -- with this Stars Song by KLT!
Visual Learning Systems
The Nature of Light: Light Speed and Intensity
Students will learn about the different frequencies along the electromagnetic spectrum. Vivid animation is used to explore the visible spectrum of light and the colors it allows us to see everyday. The video also investigates various...
Curated Video
Stars and Galaxies: Measuring Distance with Light Years
This is a lecture presentation on stars and galaxies. The presenter starts by describing the general structure of our solar system and the Milky Way, which is one of the billions of galaxies in the universe. They explain how astronomical...
Catalyst University
The Correspondence Principle in Quantum Mechanics
The Correspondence Principle in Quantum Mechanics
Visual Learning Systems
The Amazing Universe: Distances in Space
This show explores the fascinating features of the universe, the different types of galaxies in our solar system and the position of our solar system in the Milky Way Galaxy. Other terminology includes: constellations, spiral galaxy,...