Astrum
Are we actually in a Nebula?
What really is a nebula, and are we in fact in one? What is the Local Interstellar Cloud?
Bloomberg
Using the Sun to Image Alien Planets
Jan.18 -- A team at NASA’s JPL is proposing a mission that will let us see planets in other solar systems. Bloomberg’s Moonshots talks with the scientist behind what could be the most powerful telescope ever built, with a little help...
Veritasium
First Image of a Black Hole!
Have scholars ever wondered what a black hole looks like? See the first image of a massive black hole and learn about what a black hole is, how it forms, and how telescopes took images from around the world. The video then relates the...
Veritasium
How to Understand the Image of a Black Hole
What is a black hole? Individuals hear a detailed explanation about what a black hole is, how it forms, and how it effects light and matter. The characteristics of a black hole determine the image it produces in telescopes, and...
PBS
How Do You Measure the Size of the Universe?
The universe is 90 billion light years in diameter. How do scientists measure something so huge? Space Time explains the process as part of its larger Cosmology playlist. The video addresses the steps to solving the puzzle as well as how...
Veritasium
Misconceptions About the Universe
Think you know a lot about the universe? You may, or may not, be right! Aspiring astrologists examine our ever-expanding universe with a video from the Veritasium playlist. The narrator discusses the observable universe, the time it...
Crash Course
Astrophysics and Cosmology: Crash Course Physics #46
Physics can help explain mysteries of the universe. Spark your classes' interest with the final lesson in the Crash Course physics series. The instructor explains the basics of astrophysics and cosmology with topics such as Hubble's Law...
Crash Course
Distances
How can you determine the distance between two objects when one is incredibly far away? Discover how early astronomers and mathematicians calculated quantities such as the distance between Earth and the Sun in an insightful video. The...
MinutePhysics
YouTube Video vs. The Universe
Our world seems to be a pretty big place ... until you compare it with the rest of the universe. Where does Earth fit in? Space science scholars watch as the narrator uses a tiny pixel to illustrate how much room we take up in space.
MinutePhysics
How Far is a Second?
How far is it from your house to the grocery store? If you answered in time rather than distance, there's a scientific explanation. Science scholars compare distance/time quantities in a short, animated video. Topics include...
SciShow
How Do We Measure the Distance of Stars?
While a cosmic distance ladder sounds like fun, it is actually the name given to the variety of methods astronomers use to determine the distance to objects in space. This video examines the method of determining the distance of a star...
SciShow
Great Minds: Henrietta Leavitt and the Human Computers
For most people, it would seem impossible to make breakthroughs in astronomy when you aren't allowed to use a telescope, but Henrietta Leavitt did just that. She discovered a formula for determining the distance to stars that are...
Crash Course Kids
Spaced Out
How big, really, is our universe? This is the focus of a video that explains our universe is so big, that nobody really even knows how big it is.
Crash Course Kids
Orbits Are Odd
Are the other orbits taking place in the universe similar or different to Earth's orbit around the sun and the moon's orbit around Earth? This is the focus of a video that explains all different types of orbits out there, including black...
Crash Course Kids
Star Personalities
Reach for the stars with a fun space science video! Viewers learn about the different types of stars in the galaxy, as well as the ways to organize and classify them based on color and age.
Khan Academy
Scale of the Galaxy, Scale of the Universe, Cosmology and Astronomy
The fourth of five videos explores the scale and relative distances between planets, stars, and other galactic bodies.
Khan Academy
Cosmic Background Radiation, Scale of the Universe, Cosmology and Astronomy
An informative video explains the density of particles immediately after the Big Bang, as well as the concept that whenever a particle was released, it would merge with another particle. Sal develops the concept of being able to receive...
Khan Academy
Parsec Definition, Stars, Black Holes and Galaxies, Cosmology and Astronomy
What is a parsec? Sal's video explains that a parsec is 3.26 light years and that the word itself can be broken down into "par" (meaning parallax) and "sec" (meaning one arc second). He uses illustrations, diagrams, and trigonometric...
Khan Academy
Cosmological Time Scale 2, Scale of the Universe, Cosmology and Astronomy
Sal compares the distance of significant objects and the timeline of events in the universe on a scaled timeline across the screen.
Khan Academy
Radius of Observable Universe, Scale of the Universe, Cosmology and Astronomy
The concept of the universe can be incredibly complex on both physical and mathematical levels. Yet Salman Khan can explain concepts that lead to conclusions about the universe's size. He uses intriguing diagrams and presents information...
Khan Academy
Intergalactic Scale, Scale of the Universe, Cosmology and Astronomy
Sal narrates the last video, concentrating on the scale between stars and galaxies themselves.
Khan Academy
Red Shift, Scale of the Universe, Cosmology and Astronomy
The Red Shift concept can be one of the most confusing in physics. Learners may find it helpful to start with learning more about the Doppler Effect before introducing this video.
Khan Academy
Radius of Observable Universe (Correction), Cosmology and Astronomy
A two-minute video corrects a slight error in the previous Khan Academy video about the observable universe. Sal points out that 300,000 years does not significantly impact the number 13.7 billion, or the estimated time of the Big Bang.
Crash Course
Crash Course Physics #46: Astrophysics and Cosmology
It's time for the end. At least the end of our first series on Physics here at Crash Course. In this video episode of Crash Course Physics, Shini sits down to talk about Astrophysics and Cosmology. By using what we've learned this year,...