Topic: planets

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Mars in a Minute: How Long is a Year on Mars?

One year for any planet is measured by how long it takes to orbit once around the sun. Since Mars is farther away from the sun than Earth, it takes almost twice as long: Earth orbits in 365 days. Mars orbits in 687 Ea...

A Fictive Flight Above Real Mars

Fly by the moon Phobos towards Mars, and then fly across the Red Planet's surface thanks to NASA’s High Resolution Imaging Science Experiment (HiRISE) imagery and three months of digital imaging work by Finnish filmma...

Why all world maps are wrong

How do you make something round into something flat without distorting it? Something round, like a globe or a planet, is three dimensional. Something flat, like a paper map hanging on the wall, is two dimensional. If ...

Earth’s History Plays Out On A Football Field

The Earth is 4.5 billion years old. How can we comprehend such a massive amount of time? Skunk Bear's Adam Cole sets out to answer this question by using the 100 yard length of a football field to help us visualize ou...

Earthrise from the moon, captured by JAXA Kaguya Spacecraft

Between 2007 and 2009, the Japan Aerospace Exploration Agency (JAXA) captured more than 600 incredible photos and videos of the moon with an orbiting Selenological and Engineering Explorer (SELENE) mission spacecraft,...

On Light Pollution: The End of Darkness

What is it like to be really in the dark? Not the dark of your closet, or the dark of your room at night, but the deep darkness of there being no electricity for miles and miles around you. If there was no light pollu...

To Mars and Back In 150 Seconds

How does sending humans to Mars work? How long does it take to go there and come back? How do they set up shelter on the Red Planet? What about space radiation? TIME's Jeffrey Kluger gives us an animated primer: To Ma...

Slingshots of the Oceanic

There are many ways of moving through the Universe – of traveling from one point to another over great, even extraordinary distances. There is also a way of using the world for your own ends: taking advantage of slope...

Behind-the-scenes with Terra Bella’s satellites

What might we learn if we could observe the patterns in humanity's mass activities -- mining, clear cutting, ships moving through ports, erupting volcanoes, ground conflicts, etc -- over time? What if we could do that...

One Year on Earth – Seen From 1 Million Miles

Every two hours, NASA's Epic camera on NOAA's DSCOVR satellite captures a set of images from its L1 (Lagrange point 1) orbit. The images of Earth's sunlit side are taken in ten different wavelengths. The first color-a...

Gravitational Waves Explained Using Stick Figures

How are gravitational waves made? In this episode of MinutePhysics, Henry Reich draws up a series of other wave creating scenarios -- water waves, air pressure waves, and radio waves -- to help explain gravitational w...

Juno: Piercing Jupiter’s Clouds

For the last five years, a spacecraft named Juno has traveled across 1.8 billion miles (2.8 billion kilometers) to arrive at the planet Jupiter. It will be a historic arrival that culminates in a critical sequence of ...

‘Electric Wind’ Can Strip Earth-like Planets of Oceans, Atmospheres

'Electric wind' on Venus may have stripped the planet's upper atmosphere of oxygen... and it "may have played a significant role in stripping Earth's twin planet of its oceans, according to new research results from t...

NASA’s SDO captures the Mercury Transit in time lapse

From 7:12am to 2:42pm ET on May 9, 2016, Mercury passed between Earth and the Sun, a rare occurrence called a transit. NASA’s Solar Dynamics Observatory (SDO) captured incredible footage of the closest planet to the s...

Stunning Aurora Borealis from Space in Ultra-HD 4K

From cameras filming on the International Space Station, enjoy this stunning ultra high definition 4K footage of planet Earth. Turn down the volume, full screen the vid, and put some classical music on. Harmonic pr...

Space Rocks: Comets, asteroids, meteors, & meteorites

This claymation primer on comets, asteroids, meteoroids, meteors, and meteorites helps us learn about Space Rocks in a super adorable way. Made by Beakus for the Royal Observatory Greenwich, the animation is one in a ...

The Science of Skin Color – TED Ed

When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it’ll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the...

JK Brickworks’ LEGO Orrery

Orreries, mechanical models of the solar system, are not about proper scale, but they are good for better understanding the basic positions and motions of the planets and moons in our solar system. LEGO artist Jas...

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