NASA
The Hubble Deep Field: Looking Back In Time
The Hubble Space Telescope has made over 1.5 million observations since its launch in 1990, capturing stunning subjects such as the Eagle Nebula and producing data that has been featured in almost 18,000 scientific articles. But no image...
NASA
NASA | Death-Defying Comets Explore the Sun's Atmosphere
To observe how winds move high in Earth's atmosphere, scientists sometimes release clouds of barium as tracers to track how the material corkscrews and sweeps around � but scientists have no similar technique to study the turbulent...
NASA
NASA | What is a Sungrazing Comet?
Sungrazing comets are a special class of comets that come very close to the sun at their nearest approach, a point called perihelion. To be considered a sungrazer, a comet needs to get within about 850,000 miles from the sun at...
NASA
Hubble Confirms Largest Comet Nucleus Ever Seen
NASA’s Hubble Space Telescope has determined the size of the largest icy comet nucleus ever found. And, it’s big! With a diameter of approximately 80 miles across, it’s about 50 times larger than typical comets. Its 500-trillion-ton mass...
Curated Video
I WONDER - What Are The Different Parts of a Comet?
This video is answering the question of what are the different parts of a comet.
Next Animation Studio
Ancient settlement destroyed by comet, research suggests
Impact from a comet around 12,800 years ago is believed to have wiped out a human settlement, according to new research published in Scientific Reports.
Mazz Media
Comet
This live-action video program is about the word Comet. The program is designed to reinforce and support a student's comprehension and retention of the word Comet through use of video footage, photographs, diagrams and colorful, animated...
NASA
Hubble Sees First-Time Icy Visitor Comet K2
NASA's Hubble Space Telescope observed the farthest-discovered active inbound comet, Comet K2. K2 came from the distant Oort Cloud and is visiting our inner solar system for the first (and only) time. Since we're seeing it so far away,...
NASA
How LISA Pathfinder Detected Dozens of 'Comet Crumbs'
LISA Pathfinder, a mission led by ESA (the European Space Agency) that included NASA contributions, successfully demonstrated technologies needed to build a future space-based gravitational wave observatory, a tool for detecting ripples...
NASA
The Outer Planets: Hubble’s Continuing Legacy
What is OPAL? OPAL (Outer Planet Atmospheres Legacy) is a project to obtain long time baseline observations of the outer planets in order to understand their atmospheric dynamics and evolution as gas giants. The yearly observations from...
NASA
What's the Difference Between Asteroids, Comets, and Meteors? We Asked a NASA Expert
Asteroids, comets, and meteors: what's the difference? These space rocks each have their own unique attributes. But differences aside, these fascinating objects are all worthy of study. Just ask @NASA Jet Propulsion Laboratory scientist...
NASA
NASA | How to Cook a Comet
A comet's journey through the solar system is perilous and violent. Before it reaches Mars - at some 230 million miles away from the sun - the radiation of the sun begins to cook off the frozen water ice directly into gas. This is called...
Mazz Media
Meteor
This live-action video program is about the word meteor. The program is designed to reinforce and support a student's comprehension and retention of the word meteor through use of video footage, photographs, diagrams and colorful,...
NASA
Counting Comets
The Solar and Heliospheric Observatory, a joint mission between ESA (the European Space Agency) and NASA, was not designed to find comets — its original goal was to study the Sun from its deep core to the outer layers of its atmosphere....
Curated Video
Exploring Solar Winds: The Phenomenon and Impact
Solar winds are super fast, nuclear winds emitted by the sun. Were these winds to reach Earth's surface, they would cause a lot of damage. Find out what makes solar winds so dangerous andwWhat protects Earth from this weather.
NASA
Tour Stunning Hubble Nebulae Images
Over the years, the Hubble Space Telescope has taken hundreds of images of different kinds of incredible nebulae in our universe. A nebula is a giant cloud of dust and gas in space. There are different types of nebulae, ranging from...
NASA
Hubble’s Servicing Mission 3B
Servicing Mission 3B was actually the fourth visit to Hubble. NASA split the original Servicing Mission 3 into two parts and conducted 3A in December of 1999. During SM3B a new science instrument would be installed: the Advanced Camera...
Professor Dave Explains
Pluto, Comets, Asteroids, and the Kuiper Belt
We've just wrapped up a survey of all the planets and moons in the solar system. But is that all there is? Not even close! There are tons of objects that make up the asteroid belt, the Kuiper belt, the Oort cloud, you can't even believe...
Visual Learning Systems
Our Galaxy and Stars: Meteors and Comets
This captivating series of programs explores many of the amazing features of our universe. Special attention is given to our solar system, distances in space, and stars. Terminology and concepts include: Milky Way Galaxy, light-year,...
Next Animation Studio
Giant comet heading for Earth
Comet Bernardinelli-Bernstein is a thousand times larger than the average comet and it’s approaching at a high rate of speed.
Getty Images
Comet nucleus releasing gasses as it approaches and is warmed by the Sun
Comet nucleus releasing gasses as it approaches and is warmed by the Sun
Getty Images
Space scene. Spaceship fly through planet and asteroids. https://visibleearth.nasa.gov/view.php?id=79765
Space scene. Spaceship fly through planet and asteroids. https://visibleearth.nasa.gov/view.php?id=79765
Getty Images
Structure of a comet, showing its nucleus, coma and its gas (white) and ion (blue) tails
Structure of a comet, showing its nucleus, coma and its gas (white) and ion (blue) tails