Topic: planets

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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 ...

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 ...

The Hubble Space Telescope Reflects the Cosmos

"When the Hubble Space Telescope was launched from the Space Shuttle Discovery in 1990, NASA called it the greatest advance in astronomy since Galileo. Instead, within days it became a laughing stock. Hubble had an ei...

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,...

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...

Wanderers: Humanity’s Future Expansion into the Solar System

With narration by Carl Sagan, borrowed from an audio recording of his 1994 book Pale Blue Dot: A Vision of the Human Future in Space, this is Wanderers, a bold science fiction short by digital artist and animator Erik...

Mars Loops the Loop: What is retrograde motion?

What is retrograde motion and why does a planet like Mars appear to change directions in the night sky? Is it playfully looping about in its orbit around the sun or is something less strange going on? From episode 2 o...

Planet Earth in 4K: Time lapse images taken by an orbiting satellite

This video truly illustrates why our Earth is called The Blue Marble. Taken every 30 minutes over Indian ocean from May 15th to May 19th, 2011, these images by the geostationary Elektro-L weather satellite have been c...

The Captured Ice Moon: Voyager 2 and Neptune’s moon Triton

As NASA looks toward the New Horizons probe's July 2015 rendezvous with dwarf planet Pluto and its five known moons, they are also reviewing Voyager 2 data collected on the 1989 flyby of Neptune's moon Triton, seen he...

First Evidence for Water Ice Clouds Found Outside Solar System

Take a (peacefully quiet) tour through and beyond our solar system to visit a neighboring brown dwarf -- a sort of failed star that's too large to be called a planet -- called W0855. A team of scientists, led by Carne...

Storm Chasing on Saturn: The hexagon-shaped hurricane

Hexagon-shaped storms exist. There is a massive, persistent, hexagon-shaped jet stream on Saturn’s north pole -- "the perfect six-sided hurricane, 60 miles deep, that could swallow four Earths..." The New York Tim...

Everything You Need to Know About Planet Earth

When we wake up, eat breakfast, get ready for school or work, and head out the door, we may not be thinking about how unique our small, wet rock of a planet is. But the Earth is unique, and we're always happy to happe...

Moon Saturn Occultation – 14 May 2014

Moon Saturn Occultation - 14 May 2014, captured 20 km north of Albury, New South Wales in Australia by space enthusiast and photographer Colin Legg. Occultation happens when "one object is hidden by another object tha...

How Big is the Moon? A Kurzgesagt visualization

How Big is the Moon Really? It might be much bigger (or much smaller) than you'd imagine. Kurzgesagt explains.

Mars Society’s Mars Desert Research Station

If you’ve ever pretended to be on the Red Planet, you’re not alone. This is Crew 138 of the Mars Society’s Mars Desert Research Station (MDRS), a team of scientists who are re...

Bill Nye Bikes the Distance Between Planets

Bill Nye the Science Guy bikes down a long road in wide open country to demonstrate a scale model of the solar system – a classic clip. Total distance of his ride to Pluto, back before Pluto ...

Dessin sur sable (sand drawings): Evolution of Earth

The universe, underwater creatures, and great dinosaurs come alive in sand. Dessin sur sable (sand drawings) by Jin Lee: Evolution of Earth. via Daily Picks and Flicks.

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