Curated Video
NASA | A Young Star Flaunts its X-ray Spots
Using combined data from a trio of orbiting X-ray telescopes, including NASA's Chandra X-ray Observatory and the Japan-led Suzaku satellite, astronomers have obtained a rare glimpse of the powerful phenomena that accompany a...
OER Project
Threshold 2: The Stars Light Up | Big History Project
The early Universe was dark and cold until a few atoms of hydrogen and helium got together. A star was born. With the birth of the first stars, a fantastic chain of events occurred that enabled a diversity of elements and chemistry....
Curated Video
Stellar Graveyard - The Crab Nebula
Footage from the 2008 documentary, "Journey to the Edge of the Universe". Stars are born, grow up, and then, then what? Do they die? Do they slip quietly into the night, or go out with a bang? Somewhere between here and the edge of the...
Curated Video
Hubble's Extraordinary ULLYSES Program
The universe would be a pretty boring place without stars. Without them, the universe would remain a diffuse plasma of mostly hydrogen and helium from the big bang. To better understand stellar evolution, a new Hubble initiative has been...
Curated Video
NASA's NICER Tests Matter's Limits
Matter in the hearts of neutron stars – dense remnants of exploded massive stars – takes the most extreme form we can measure. Now, thanks to data from NASA’s Neutron star Interior Composition Explorer (NICER), an X-ray telescope on the...
Professor Dave Explains
Star and Galaxy Formation in the Early Universe
Okay, so we are about 150 million years into the lifetime of the universe. We've got a bunch of hydrogen and helium and not much else. But then gravity takes over, and boom! We've got stars! How, you ask? Well you'd better watch this!
Curated Video
Exploring the Phenomenon of Supernovas
A supernova is a spectacular explosion of a star that leads to the creation of a new star, enriching the surrounding space with elements like hydrogen and helium. This cosmic event, among the brightest stellar explosions ever observed,...
TED Talks
TED: Why earth may someday look like Mars | Anjali Tripathi
every minute, 400 pounds of hydrogen and almost 7 pounds of helium escape from earth's atmosphere into outer space. Astrophysicist Anjali Tripathi studies the phenomenon of atmospheric escape, and in this fascinating and accessible talk,...
Soliloquy
Why don't we fill an Airship with a Vacuum?
In the early 1900s massive airships ruled the sky, offering luxury commercial travel significantly faster than the steamships that ruled the waves. But a series of disasters, including the demise of Britain's R101 and culminating in the...
Curated Video
The Hindenburg Disaster: The End of an Era for Airships
New ReviewThis video provides a detailed account of the Hindenburg airship disaster, a significant moment in aviation history that marked the decline of commercial airships. It discusses the background of airships, their military applications, and...
Curated Video
Why Is Carbon Dioxide Mixed In Cold Drinks And Beverages?
One of the most important factors when it comes to mixing any gas with a liquid is solubility, and carbon dioxide is highly soluble in water. In fact, it's the most soluble of the common, non-toxic gases with high solubility. To give you...
SciShow
Asteroseismology: How to Explore Stars with Sound
Asteroseismology allows scientists to explore stars with sound. It can help them figure out what a star is burning and even help pin down the age of stars!
Curated Video
The Future of Our Sun and Earth
SciShow Space gives you a blow by blow account of what's going to happen to the sun -- and Earth.
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
How Much of Me Is "Star Stuff?"
Carl Sagan famously observed that we are all made of "star stuff." But what does that mean? And how much of you is really made of dead stars? SciShow Space explains!
Curated Video
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
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...
Curated Video
There's Science Hidden In Our National Monuments
I took a trip to Washington D.C. to check out some of our nation's most famous monuments. Where do they come from? From the depths of the Earth to the distant reaches of the cosmos, you'll never look at history the same way again
Curated Video
Why Star Stuff Matters: Crash Course Big History 202
So, the stars made the elements, we're all made of star stuff, etc. But what does all this mean? This week Emily Graslie teaches you how the formation of chemical elements in the bellies of the earliest stars made life as we know it...
Curated Video
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.
TMW Media
Properties Of Water: Unique properties of water
What are the unique properties of water? What are the freezing and boiling points of water? Properties Of Water, Part 2
Curated Video
CHEMISTRY - Matter - In Depth Atomic Mass Units
Learn the basics about Atomic Mass Units. The atomic mass is used to find the average mass of elements and molecules and to solve stoichiometry problems. Find out more in this video!
Curated Video
In Depth: Atomic Mass Units
Learn the basics about Atomic Mass Units. The atomic mass is used to find the average mass of elements and molecules and to solve stoichiometry problems. Find out more in this video!
Professor Dave Explains
Practice Problem: Nuclear Reactions
We've learned about all the different types of nuclear reactions that can occur, so given this word problem, can you find the missing nuclide?