SciShow
How 5G Cell Service Could Hurt Weather Forecasts
Good weather forecasts save lives, but scientists are worried that 5G transmissions could drown out frequencies measured by weather satellites, setting weather forecasts back decades.
TED Talks
TED: The mission to create a searchable database of Earth's surface | Will Marshall
What if you could search the surface of the Earth the same way you search the internet? Will Marshall and his team at Planet use the world's largest fleet of satellites to image the entire Earth every day. Now they're moving on to a new...
SciShow
Using Galaxy Clusters to Look Into the Past
Gravitational lensing has given us a look at a galaxy in the very, very distant cosmic past using x-ray light, and NASA finally got its ICON mission off the ground!
TED-Ed
TED-ED: Tracking grizzly bears from space - David Laskin
Grizzly bears stick to a mostly vegetarian diet in sync with plant growing seasons. However, as grizzlies' habitats grow smaller, food is harder to come by. Using NASA satellites, scientists track the shifting, interrelated patterns of...
TED Talks
Moriba Jah: The world's first crowdsourced space traffic monitoring system
"Most of what we send into outer space never comes back," says astrodynamicist and TED Fellow Moriba Jah. In this forward-thinking talk, Jah describes the space highways orbiting earth and how they're mostly populated by space junk....
SciShow
Earth Has a New, Orbiting Disco Ball!
Earth has some new orbiters, and while one of them is vexing many scientists, another will help us learn more about our atmosphere.
TED Talks
TED: What it feels like to see earth from space | Benjamin Grant
What the astronauts felt when they saw earth from space changed them forever. Author and artist Benjamin Grant aims to provoke this same feeling of overwhelming scale and beauty in each of us through a series of stunning satellite images...
TED Talks
TED: Let's clean up the space junk orbiting earth | Natalie Panek
Our lives depend on a world we can't see: the satellite infrastructure we use every day for information, entertainment, communication and so much more. But earth orbit isn't a limitless resource, and the problem of space debris will get...
SciShow
Space Trash: The Next Big Pickle
Earth's orbit has a bit of a litter problem. Hank outlines a few ways scientists have thought of to help clean things up.
SciShow
The Evolution of Spy Satellites
Today we take a look at the history and capabilities of spy satellites.
SciShow
Can Moons Have Moons?
We all know that many planets have moons orbiting them, but is it possible for those moons have little moons of their own?
SciShow
To Study Ancient Humans, Archeologists Are Using... What?!
When you think about archaeology, space technology probably isn’t the first thing that comes to mind. But from satellites to cosmic rays, archaeologists actually look to space a lot more than you might think!
SciShow
Dark Matter Is Even Stranger Than We Thought | SciShow News
Scientists can see how dark matter is distributed based on how its gravity affects light, but when astronomers compared recent data from the Hubble Space Telescope and the Very Large Telescope to current models, something didn’t add up....
TED-Ed
What if every satellite suddenly disappeared? | Moriba Jah
What would happen if one day all of humanity's artificial satellites suddenly disappeared? Within hours, most of the planet's traffic would grind to a halt, the world economy would shut down, and most countries would declare a state of...
SciShow
Diamagnetism: How to Levitate a Frog
You might associate levitation with magic, but science has its own version.
MinutePhysics
GPS, Relativity, and Nuclear Detection
GPS is just a big clock in space! (and it can detect nuclear explosions)
SciShow
How to Make Pokémon GO
You wanna be the very best? Like no one ever was? Travel across your neighborhood with us and learn about some of the tech behind the phenomenon that is Pokémon GO.
SciShow
How Many Stars Are There?
How many stars are there in the universe? This question leads Hank to a couple other questions - How many stars can we see from Earth? How many stars are there in our galaxy? - but the answer to the original question proves elusive.
MinutePhysics
Why the Solar System Can Exist
If gravity is so attractive, why doesn't the earth just crash into the sun? Or the moon into the earth? The answer: Stable Orbits
SciShow
The Equator Is a Bad Place for These Rocket Launches
Some satellites orbit in the same direction the planet rotates, which means they get a boost for their launch, but most have orbits where that isn’t ideal, and that creates some challenges for engineers.
SciShow Kids
Check Out the Satellites!
You might not know it, but there are thousands of human-made satellites orbiting the Earth! They help us do everything from study the climate to make phone calls, and there are even some satellites that people can live on!
SciShow
A New Way to Move Tiny Spacecraft Electrospray Propulsion
Big, fiery rocket launches are just too powerful for something like a toaster-sized CubeSat once it’s in space. Electrospray propulsion is a promising new way to move these little satellites.
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.
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.