MinutePhysics
How Do We Know The Universe Is ACCELERATING?
Aatish Bhatia helped write this video! A big thanks for his help! Here's his blog: http://www.empiricalzeal.com The universe is expanding – this we know from looking at red shifts of distant galaxies – but the acceleration of the...
Crash Course
High Mass Stars
Massive stars fuse heavier elements in their cores than lower mass stars. This leads to the creation of heavier elements up to iron. Iron robs critical energy from the core, causing it to collapse. The shock wave, together with a huge...
SciShow
Great Minds: Tycho Brahe, the Astronomer With a Pet Elk
In the late 16th century, Tycho Brahe built an observatory on an island and collecting some of the most accurate data ever. He also lost his nose in a duel with a classmate -- over who was the better mathematician.
SciShow
Journey to the Center of the Galaxy
Find out what kinds of things are lurking near the center of our galaxy!
MinutePhysics
¿Cómo sabemos de qué está hecho el aire en otros planetas?
¿Cómo sabemos de qué está compuesta la atmósfera de planetas que ni siquiera hemos visitado? Este video explica cómo podemos ver el aire desde 150 años luz de distancia. Siempre tratamos de usar lenguaje fácil de comprender, por lo que...
Crash Course
Gamma-Ray Bursts
Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come in two rough varieties: Long and...
SciShow
The Milky Way May Have a Disk of Black Holes
Computer models are helping scientists on the hunt for small black holes and new data is giving us a better understanding of the universe’s largest explosions.
SciShow
Dark Energy
The universe is huge and getting bigger all the time, and we have we have dark energy - the most mysterious force in the universe - to blame/thank for it. Thought to make up more than 70% of the energy in the whole universe, Hank...
SciShow
The “Accident” That Revealed More About Our Cosmos | SciShow News
Brown dwarfs are celestial oddballs, and recently one citizen scientist discovered one that is truly ancient, and weird.
SciShow
The Mysterious Cosmic Explosion Called “The Cow” | SciShow News
The exploding “cow” around 200 million light-years away is running astronomers for a loop, but if it is what some hypothesize, we are witnessing a first for astronomy! Meanwhile, we got photographic evidence of a planet orbiting a binary...
SciShow
The Astronomical Records in… Trees?
We can learn a lot about our galaxy by looking to the stars, but we can also reveal a lot about our cosmic history from... Dead trees?
SciShow
What We’re Learning from the Brightest Supernova Ever Seen - SciShow News
It’s been a great week for space explosions! Astronomers learned more about the mechanism that causes novas by looking at the nova V906 Carinae, and the brightest supernova ever recorded shed some new light on pulsation pair-instability.
SciShow
Our First Glimpse of a Newborn Supernova - SciShow News
A super bright flash in the sky might be the birth of a supernova remnant and it turns out there's more than one way to build a binary star system.
SciShow
We’ve Found a New(ish) Type of Supernova
We’ve known about different types of supernovas for some time, but researchers now believe they have observed a previously unseen kind! And, sadly, the odds of life on Venus may not be as high as we once believed.
TED-Ed
TED-Ed: What is the universe made of? - Dennis Wildfogel
The atoms around you have existed for billions of years -- and most originated in the flaming, gaseous core of a star. Dennis Wildfogel tells the captivating tale of these atoms' long journeys from the Big Bang to the molecules they form...
SciShow
How to Catch a Supernova Rerun
On earth a sound echo lets you hear something again. Over great distances, a light echo can let you see something again, specifically an exploding star.
SciShow
The Telescope That Revealed the X-Ray Universe
Some of the most exciting phenomena in space can’t be seen from Earth because our atmosphere soaks up high-energy light. That’s why NASA built Chandra, the most powerful X-ray telescope ever launched, and the observatory has helped...
SciShow
These Stars Are Being Eaten Alive from the Inside
In general, a star’s size will determine its final destiny. Some stars fizzle out, while others explode, and what seals their fate may come down to a curious, cannibalistic process happening inside their cores!
SciShow
A New, Bubbly Origin Story for the Solar System
We might be closer to figuring out how our solar system was born and NASA has two finalists for its next New Frontiers mission.
PBS
Extinction by Gamma-Ray Burst
Find out about the last time and the next time the Earth will be hit by a Gamma-ray Burst.
TED Talks
TED: How a blind astronomer found a way to hear the stars | Wanda Diaz Merced
Wanda Diaz Merced studies the light emitted by gamma-ray bursts, the most energetic events in the universe. When she lost her sight and was left without a way to do her science, she had a revelatory insight: the light curves she could no...
SciShow
The Biggest-Ever Supernova, Debunked!
Is it a bird? A plane? A supernova? No! It turned out to be something else! We've also now studied the weather on a gas giant exoplanet!
SciShow
The Star That Trolled Astronomers
In 1967, a star was discovered that seemed to be different than most stars, . . . it looked like it was blinking.
PBS
What Does Dark Energy Really Do?
How does dark energy affect the universe's expansion? Measuring past expansion history should tell us the future expansion without ever having to count any galaxies. To measure this we need to measure the redshift-distance relationship,...