Topic: Earth

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Sunlight is way older than you think – TED Ed

The random walk problem -- the "mathematical formalization of a path that consists of a succession of random steps" -- can be applied to sunlight... not the sunlight that travels from the sun to Earth, which takes onl...

Time lapse eruption videos of Chile’s Calbuco Volcano

On April 22, 2015, Chile's Calbuco Volcano interrupted its 42 year dormancy with an eruption that was filmed by video enthusiasts all around the area. Martin Heck from Timestorm Films captured the 4K time lapse above....

Taking the very first picture of a black hole – Black Hole Hunters

From the excellent Out There series from The New York Times: Black Hole Hunters, the story of the Earth-sized array of observation stations synchronized to capture Sagittarius A*, the astronomical radio source at the ...

Space X’s Falcon 9 falls back to Earth to The Blue Danube

To the tune of Johann Strauss II's Blue Danube waltz, Space X's Falcon 9 falls majestically back to Earth in real time. Falcon 9 is a two-stage rocket that transports satellites into orbit, and powers the Dragon space...

How Do Greenhouse Gases Actually Work?

The Earth and the Moon are essentially the same distance from the sun, yet the two rocks have very different surfaces thanks to our Earth's atmosphere. It shields us during the day, and at night, it traps enough heat ...

Emoji Science with Bill Nye the Science Guy

Have you ever found an idea in science to be confusing and said, "I wish I had some emoji around to help make this information more clear." Well, look no further because Bill Nye the Science Guy has teamed up with GE ...

The Four Spheres (Geo, Bio, Hydro, & Atmo) with Crash Course Kids

The ground or geo-sphere, water or hydro-sphere, air or atmo-sphere, and life or bio-sphere: Earth and everything on it can be organized into these four distinct yet interconnected subsystems. Knowing more about each ...

MinutePhysics: How Big Is The Sun?

Even though the sun and the moon look around the same size in the sky, the sun is 400 times bigger than our planet's moon and is 400 times farther away. Compare the sun's 150,000,000 km (93,205,679-ish miles) distance...

Stunning Views of Earth From the International Space Station

The Blue Marble... The Pale Blue Dot... that magnificent Overview Effect... This is what our astronauts experience from the International Space Station, and what we get to see via videos like this, and this, and this,...

What is a Blood Moon? Time lapse (& real time) of a lunar eclipse

During a total lunar eclipse, the Earth's shadow falls upon on a full moon. The sun's light is blocked, turning the moon red. This is called a Blood Moon, and the next one will occur on April 4th, 2015 at 4:58am PST, ...

Kilauea – The Fire Within and Living with Lava

Travel to the Big Island of Hawaii to see Kilauea's stunning lava flows across the southeast part of the island in Kilauea - The Fire Within, a film by Hawaiian native Lance Page. In contrast to the dramatic style ...

The science of solar eclipses: How do solar & lunar eclipses work?

How do solar & lunar eclipses work? And why don't we get eclipses every month? This Vox explainer is packed full of really interesting information about the remarkable science of solar eclipses. Find out how 5.1 d...

Solar Eclipse 2015: BBC Stargazing Live Video

From the BBC's astronomy series Stargazing Live with Professor Brian Cox and Dara O'Briain, with Liz Bonnin narrating the process, watch the March 20th solar eclipse, when the moon passes between the Earth and the sun...

Cal Academy: How to Observe a Meteor Shower

Get some blankets, find a dark hill on a dark night, make sure you've napped, and put away that smartphone. The California Academy of Sciences has some excellent tips for seeing shooting stars, more accurately known a...

What happened to the Milky Way?

What do you see in the night sky where you live? Can you see the Milky Way -- that glowing, star-filled band of light that stretches across the sky? What happened to the Milky Way? The Atlantic Video team explores...

NASA: Satellite Tracks Saharan Dust to Amazon in 3-D

Watch 182 million tons of dust ride the wind out of Africa's Sahara Desert in 3D, as tracked from 2007 through 2013 by lidar, thanks to CALIPSO, the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation sa...

Flying drones over the lava lake at Ambrym’s Marum Crater

...for science! Made possible thanks to camera-outfitted drones, filmmaker Sam Cossman took a team the edge of Ambrym Volcano's Marum Crater to 3D map its 7.5-mile-wide (12-kilometer) caldera and the spectacular lava ...

The phases of the moon visualized from the other side

What does the other side of the moon like? Thanks to NASA's Scientific Visualization Studio and data from the Lunar Reconnaissance Orbiter, we get a glimpse in this animation, showcasing two different virtual views. F...

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