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TED Talks
TED: The marvels and mysteries revealed by the James Webb Space Telescope | Heidi Hammel and Nadia Drake
From favorite moons to the search for alien life, astronomer Heidi Hammel discusses the latest in astronomy and the breakthrough innovations behind her work with NASA's James Webb Space Telescope. In conversation with science journalist...
SciShow
3 Amazing Objects to Check Out with Your New Telescope
When astronomers study the universe, they’re often using telescopes that cost millions or even billions of dollars to build. Luckily for the rest of us, there are still plenty of incredible things to see in the sky with the more...
Crash Course
Nebulae
Astronomers study a lot of gorgeous things, but nebulae might be the most breathtakingly beautiful of them all. Nebulae are clouds of gas and dust in space. They can glow on their own or reflect light from nearby stars. When they glow...
Astrum
Shocking Discoveries from the James Webb Telescope
40 Jupiter Mass Binary Objects - or JuMBOs - discovered by JWST.
Professor Dave Explains
Types of Nebulae Stellar Nurseries and Star Remnants
Have you ever seen images of colorful, wispy clouds of gas in space? Those are called nebulae! What happens inside a nebula? In some of them, new stars are born. How does that work? How can we see all this gas? Are there different types...
NASA
Explore the Universe with Hubble Messier Catalog
The Messier catalog includes some of the most fascinating astronomical objects that can be observed from Earth's Northern Hemisphere. Among them are deep-sky objects that can be viewed in stunning detail using larger...
Curated Video
Exploring Nebulas: The Building Blocks of Stars
Nebulae get their name from the Latin word for cloud, but they're very different than the clouds we see on Earth. Learn what causes these space clouds and about different types of nebulae.
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.
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A nebula is a giant cloud of dust and gas in space. There are...
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A nebula is a giant cloud of dust and gas in space. There are...
Visual Learning Systems
Our Galaxy and Stars: Stars
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,...
Getty Images
Horsehead nebula, optical image.
The horsehead shape is caused by dark nebula Barnard 33 (B 33). This cloud of dust and gas obscures the light from the emission nebula IC 434 that lies behind, seen here as the red region at top. The gas of this nebula glows as it is...
Getty Images
Horsehead nebula, optical image. North is at left.
The Horsehead nebula (centre) is formed by the dark nebula B33 blocking the light from the bright red emission nebula IC 434 behind it. The emission nebula glows as the hydrogen it contains is ionised by the radiation from hot young...