SciShow
How Big Can Black Holes Grow?
Black Holes are known for consuming everything that falls into them, but is there a point where these galactic devourers can't stomach anymore?
TED-Ed
TED-ED: The journey to Pluto, the farthest world ever explored - Alan Stern
As of 1989, mankind had successfully sent craft to every known planet in the solar system except one: Pluto. Located in an mysterious region called the Kuiper Belt, Pluto is a scientific goldmine, and could hold clues to the formation of...
TED-Ed
TED-ED: Who won the space race? - Jeff Steers
On October 4, 1957, the Soviet Union launched the satellite Sputnik and, with it, an international space race. The United States and the Soviet Union rushed to declare dominance of space for 18 years, until the two countries agreed to a...
SciShow
Why Is Pluto Not A Planet?
Pluto's not a planet. We're sorry, but we think it's time you move on. If you've gone through all your breakup music and Meg Ryan movies, and you still can't get over it, then SciShow Space will get out the ice cream, cuddle up with you...
3Blue1Brown
Why slicing a cone gives an ellipse
A beautiful proof of why slicing a cone gives an ellipse.
SciShow
How Do You Weigh Things in Space?
Astronauts need to know their mass while in orbit, but a normal scale would be free-falling around the Earth with them. So how do they measure their mass without gravity?
SciShow
How the US Launched Its First Satellite
60 years ago, in January 1958, the United States launched its first satellite, Explorer 1.
TED-Ed
TED-Ed: Free falling in outer space - Matt J. Carlson
If you were to orbit the Earth, you'd experience the feeling of free fall, not unlike what your stomach feels before a big dive on a roller coaster. With a little help from Sir Isaac Newton, Matt J. Carlson explains the basic forces...
MinuteEarth
Why So Many Meteorites Come From The Same Place
Because of space physics, one faraway asteroid is likely the progenitor of almost a third of all the meteorites on Earth. ___________________________________________ If you want to learn more about this topic, start your googling with...
SciShow
Triton: The Celestial 'Cantaloupe'
Join SciShow Space as we explore Neptune's largest moon, Triton. It's kind of a weird place and may even have liquid water!
SciShow
Is There Gravity in Space
In a word, "yes" - space is packed with gravity. Hank explains how Isaac Newton described how gravity works, and why even though it seems that things are floating in space, they're still effected by gravity. Every object in the universe...
SciShow
How Radio Waves Could Help Clear the Way to Space
There is an invisible shell of radiation surrounding our planet that can wipe out satellites and could endanger future explorers. One possible solution to this problem? Good, old-fashioned radio waves.
Crash Course
Distances
How do astronomers make sense out of the vastness of space? How do they study things so far away? Today Phil talks about distances, going back to early astronomy. Ancient Greeks were able to find the size of the Earth, and from that the...
SciShow
How We Figured Out That Earth Goes Around the Sun
Most of the world believed that Earth was the center of the universe for a really long time. Then a few scientists decided to take a closer look.
SciShow
This Is Not What an Atom Looks Like
What does an atom look like? Throughout history scientists and philosophers have attempted to answer this question. As a result, they've come up with some useful models for understanding the building blocks of our universe.
SciShow
How Do Satellites Get & Stay in Orbit?
SciShow Space takes you into Low Earth Orbit to explain how artificial satellites get up there and stay there -- at least for a while.
SciShow
The Asteroid Belt: Not What You Think!
Buckle up for a trip to the asteroid belt -- though it's not nearly as dangerous out there as you might think. But there's a LOT waiting to be discovered, including some crucial clues about the formation of the solar system itself.
Crash Course Kids
Seasons and the Sun
Ever wonder why we have seasons? A lot of people think it's because the Earth gets further away from the sun in winter, and closer in the summer. But, it's actually more interesting than that. In this episode of Crash Course Kids,...
Bozeman Science
Gravitational Field Strength
In this video Paul Andersen explains how the gravitational field strength is directly related to the mass of the object and indirectly related to the square of the distance from the center of mass. The equation for gravitational field...
SciShow
Why Do We Have Leap Years?
So it's February 29th and we have 366 days this year instead of 365- what's the deal with Leap Years?
Crash Course Kids
Earth's Rotation & Revolution
So, have you ever wondered why we have seasons? Or maybe where the sun goes when it's night time? *Hint: It doesn't actually go anywhere* In this episode of Crash Course Kids, Sabrina talks about the Earth's rotation and revolution and...
SciShow
What If Earth Picked Up a Second Moon?
We owe a lot to our moon. Beautiful moonlit walks, higher tides, and regular seasons - all are made possible by our little rocky friend. But what would happen if we picked up a second moon?
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...
SciShow
Voyager 2’s Notes from Interstellar Space | SciShow News
Voyager 2 is the second object to leave our solar system, which means we now have twice as much information about its edges! And scientists have found a record-breaking black hole.