Topic: space

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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...

Ocean Moon, Ocean World: The water beneath Europa’s icy surface

Thanks to Earth-bound telescopes and flyby data collected "about the surface, about the interior structure, and about the magnetic field around Europa" by multiple spacecrafts, scientists strongly believe that there's...

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...

Astronauts grow a water bubble in microgravity on ISS

Observing water in space is not only fascinating, but it clearly looks fun! Watch NASA astronauts Steve Swanson and Reid Wiseman, and European Space Agency astronaut Alexander Gerst create a floating bubble of water o...

Rosetta spacecraft, Philae lander, & an animated history of comets

In preparation for an unprecedented November 12, 2014 landing attempt on Comet 67P/Churyumov–Gerasimenko, the European Space Agency (ESA) has created a series of animations to introduce our history with comets, as wel...

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...

Minute Physics: Why Is The Sun Yellow and The Sky Blue?

Why is the sun yellow and the sky blue? Why can we see the stars at night? Why is space black? And why is the sky more red, orange, and even pink at sunset? In this Minute Physics episode, we leap into "the grand ball...

How do we study the stars & how do we measure extreme distances?

How can we know so much about other galaxies? What are they made of? How big are they? How far away are they from Earth? "Want to know the secrets of the universe? Just follow the light." These two TED Eds fro...

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...

Full Moon Silhouettes: A full moon rises in real time

This is not a time lapse video. Rising in real time over Wellington, New Zealand, the moon appears huge (and perhaps surprisingly speedy) as it was captured by photographer Mark Gee in January of 2013. In celebration ...

Laniakea: Our home supercluster

Our home planet, Earth, circles the sun. The sun, our star, is but one of billions of stars in the Milky Way, our home galaxy... and beyond that? Where on the map of the cosmos is the Milky Way? For the first time, we...

Earth Observations: Astronauts search for cities from ISS’ Cupola

What do volcanoes, islands, dry lake beds, and big cities look like from space? Join International Space Station Expedition 38 crew members Mike Hopkins and Rick Mastracchio as they chitchat about Earth's cities and c...

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...

Eva Szasz’s Cosmic Zoom (1968)

From director Eva Szasz and the National Film Board of Canada, Cosmic Zoom (1968) is a wordless journey that attempts to demonstrate the scale of the universe. Beginning with a boy boating on the Ottawa River, we trav...

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 incredibly unique our small, wet rock of a planet is. But the Earth is incredibly unique. Learn som...

Dr. Mae Jemison, NASA Astronaut: I Wanted To Go Into Space

Find out why NASA astronaut Dr. Mae Jemison wanted to go into space in this profile from NOVA's The Secret Life of Scientists and Engineers. A physician, a chemical engineer, a teacher, a dancer, and the first Afri...

Spectroscopy of Stars – Wonders of the Universe

Understand what the universe is made of by looking at the light of its stars. In this clip from Wonders of the Universe – Stardust, Professor Brian Cox demonstrates how chemical elements emit a unique set of colors wh...

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