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Instructional Video11:22
Curated Video

How Black Holes Kill Galaxies

12th - Higher Ed
Black holes are really only dangerous if you get too close. Ha, who am I kidding. It turns out they may be responsible for ending star formation across the entire universe. When we first realized that black holes could have masses of...
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Instructional Video15:11
Curated Video

Galaxies, part 2

12th - Higher Ed
Active galaxies pour out lots of energy, due to their central supermassive black holes gobbling down matter. Galaxies tend not to be loners, but instead exist in smaller groups and larger clusters. Our Milky Way is part of the Local...
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Instructional Video6:03
Curated Video

Meet the Milky Way's Last Big Meal: The Sausage Galaxy

12th - Higher Ed
Our Milky Way Galaxy once dined on the Sausage Galaxy, and Jupiter's auroras seem to be heavily influenced by one of its moons. It's a galaxy-eat-galaxy kind of universe out there!
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Instructional Video5:42
Curated Video

Mama, Where Do Galaxies Come From?

12th - Higher Ed
For most of human history, we didn't know that galaxies were a thing. So over the past century, astronomers have been working to understand how galaxies come to be and how they evolve over time. And for a full decade, there was one...
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Instructional Video4:33
Curated Video

Why This Galaxy Gets TWO Black Holes

12th - Higher Ed
There’s a massive black hole next door that appears far too big for its host galaxy! And in another galaxy, TWO supermassive black holes formed, giving us a glimpse at a true rarity in astronomy!
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Instructional Video4:29
Curated Video

How to Kill a Galaxy

12th - Higher Ed
Our Milky Way galaxy is alive and well, producing new stars all the time. But there’s another group of galaxies out there, populated only by venerable red dwarf stars - the young stars are nowhere to be seen. In effect, these galaxies...
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Instructional Video11:42
Crash Course

Galaxies, part 1

12th - Higher Ed
The Milky Way is our neighborhood in the universe. It’s a galaxy and there are many others out there. Galaxies contain gas, dust, and billions of stars or more. They come in four main shapes: elliptical, spiral, peculiar, and irregular....
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Instructional Video4:45
Curated Video

Where Do the Biggest Galaxies Come From?

12th - Higher Ed
Submillimeter galaxies are ancient, dense, massive galaxies with up to 10 times the number of stars in the Milky Way, and for a long time, scientists couldn’t even figure out how they existed in the first place.
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Instructional Video14:13
TED Talks

Juna Kollmeier: The most detailed map of galaxies, black holes and stars ever made

12th - Higher Ed
Humans have been studying the stars for thousands of years, but astrophysicist Juna Kollmeier is on a special mission: creating the most detailed 3-D maps of the universe ever made. Journey across the cosmos as she shares her team's work...
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Instructional Video4:36
Curated Video

Solving Mysteries with the Ancient Galaxies Next Door - SciShow News

12th - Higher Ed
Some of the oldest galaxies we’ve ever seen are small, faint satellite galaxies orbiting the Milky Way, and they're providing us with a glimpse of how the universe evolved.
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Instructional Video4:53
Curated Video

3 of the Universe’s Most Extreme Galaxies

12th - Higher Ed
With so many galaxies in the universe, some are bound to astound us. Here are three of the most extreme galaxies scientists have discovered so far.
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Instructional Video5:11
Curated Video

Our Galaxy Is a Cannibal

12th - Higher Ed
Sometimes galaxies eat each other! It's actually pretty common. And it turns out that our own galaxy, the Milky Way, is pretty hungry.
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Instructional Video3:46
SciShow Kids

Get to Know Your Galaxy!

K - 5th
Have you ever thought about what's beyond our solar system? Think real big, because we're about to explore galaxies!
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Instructional Video5:14
Curated Video

How Many Galaxies Are There?

12th - Higher Ed
We've been trying to count the galaxies in the universe since the mid '90s, but our estimates change as our tools improve. So what does our current estimate really mean?
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Instructional Video4:39
TED Talks

TED: A rare galaxy that's challenging our understanding of the universe | Burcin Mutlu-Pakdil

12th - Higher Ed
What's it like to discover a galaxy -- and have it named after you? Astrophysicist and TED Fellow Burcin Mutlu-Pakdil lets us know in this quick talk about her team's surprising discovery of a mysterious new galaxy type.
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Instructional Video6:39
TED Talks

Henry Lin: What we can learn from galaxies far, far away

12th - Higher Ed
In a fun, exciting talk, teenager Henry Lin looks at something unexpected in the sky: distant galaxy clusters. By studying the properties of the universe's largest pieces, says the Intel Science Fair award winner, we can learn quite a...
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Instructional Video4:49
Curated Video

Red Nugget Galaxies The Universe's Ultimate Survivors

12th - Higher Ed
Finding a red nugget galaxy is like discovering a time capsule from the early universe.
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Instructional Video4:27
Curated Video

3 Galaxies That Shouldn't Exist

12th - Higher Ed
The universe is a big place full of galaxies that we've only begun to study. SciShow Space presents 3 of the strangest ones we've found so far.
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Instructional Video4:59
Curated Video

A Ridiculously Huge Pair of Ancient Galaxies

12th - Higher Ed
Astronomers have found a couple galaxies that were much larger than expected, and the Opportunity rover might be in for some harsh Martian weather!
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Instructional Video5:07
Curated Video

The Farthest Galaxy We've Ever Seen! | SciShow News

12th - Higher Ed
Scientists have spotted a galaxy from the early origins of the universe, and found evidence to support the existence of a 9th planet in our solar system.
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Instructional Video5:10
Curated Video

We Just Found a Galaxy with Almost No Dark Matter

12th - Higher Ed
Scientists have found a galaxy with almost no dark matter and we have finally solved the Leading Arm mystery!
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Instructional Video5:23
Curated Video

Using Galaxy Clusters to Look Into the Past

12th - Higher Ed
Gravitational lensing has given us a look at a galaxy in the very, very distant cosmic past using x-ray light, and NASA finally got its ICON mission off the ground!
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Instructional Video4:52
Curated Video

A Better Way to Study Earth, and Lessons from Jellyfish Galaxies

12th - Higher Ed
A new detector can use neutrinos to help us take a peek inside Earth, and a study of jellyfish galaxies can help us understand more about an unsolved problem in astronomy.
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Instructional Video4:33
Curated Video

We Found One of the Oldest Galaxies Ever!

12th - Higher Ed
Astronomers found a galaxy older than almost any we’ve ever seen before, and we have a new, faster method to use in our search for habitable planets.

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