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170 resources with the concept galaxies

5:35
Lesson Planet

How Many Galaxies Are There?

For Students 9th - Higher Ed Standards
Could there really be over 200 billion galaxies? It turns out the number may be closer to two trillion galaxies! A video presentation discusses the existence of galaxies in the universe. The narrator explains how scientists make their...
5:16
Lesson Planet

The Life Cycle of a Neutron Star

For Students 9th - Higher Ed Standards
From supernova to neutron star ... what's next? A video presentation describes a neutron star and its life in the universe. Learners then answer questions online to asses their understanding.
Lesson Planet

Other Galaxies

For Students 6th - 12th Standards
The Milky Way belongs to a cluster of galaxies called the local group and it could be considered our neighborhood! Use the PowerPoint to present information on the different galaxy types, both local and farther away. Scholars learn how...
Lesson Planet

Milky Way Galaxy

For Students 6th - 12th Standards
There is more about the Milky Way that scientists don't know than what they do know—that leaves a lot to discover! A thorough lesson presentation explores the components of the Milky Way Galaxy and their behaviors. 
4:15
Lesson Planet

Tour of the Universe

For Students 9th - 12th Standards
Understanding the size of the universe and its many galaxies challenges perceptions, and this visual journey through the universe helps create a scale. Starting from Earth and going out past our galaxy, thus backwards in time, the entire...
2:42
Lesson Planet

What's in the Darkest Part of the Sky? The Hubble Deep Field

For Students 9th - Higher Ed Standards
Prepare to be amazed! Look deep into the darkest part of the night sky, courtesy of a video from a vast physics playlist. Young astronomers see hundreds of galaxies through the eye of the Hubble Telescope. 
5:34
Lesson Planet

What Is Dark Matter? A Mystery of the Universe

For Students 9th - Higher Ed Standards
If you can't see something, how do you know it's there? Welcome to the mystery of dark matter! Curious cosmologists explore one of physics' longest-running quandaries through an interesting video. Content includes who first proposed the...
4:23
Lesson Planet

The Smallest Star in the Universe

For Students 9th - 12th Standards
They may be small, but probably still mighty! The characteristics of what astronomers have defined as stars have a minimum size requirement. The tiniest stars pack a lot into a small package—and still have all the properties of their...
5:00
Lesson Planet

Zombie Stars Discovered!

For Students 9th - 12th Standards
The walking dead of the sky have been discovered! As a recent discovery, much is yet to be determined, but it is clear zombie stars do exist. An episode of a larger solar system playlist explains how a special supernova leaves behind...
3:29
Lesson Planet

Does the Sun Have Long-Lost Siblings?

For Students 9th - 12th Standards
The sun is missing a few branches from its family tree! A fact-filled lesson from a solar system playlist describes the characteristics of our sun that help identify its siblings. Stars that form from the same cloud typically have the...
3:57
Lesson Planet

The Biggest Stars in the Galaxy

For Students 9th - 12th Standards
Study the giants of our universe with a video lesson. A descriptive lesson from a solar system playlist compares hypergiant stars to other bodies in our galaxy. The lesson instructor explains the origin and the composition of these...
4:45
Lesson Planet

The Fastest Runaway Star in the Galaxy

For Students 9th - 12th Standards
There's one in every group! It turns out there are rouge stars in our universe that don't follow the rules. An episode of an extensive solar system playlist describes the behavior of hypervelocity stars and how they interact in our...
4:21
Lesson Planet

400 Million New Stars in Our Galaxy!

For Students 9th - 12th Standards
The greater the technology, the better our understanding of our galaxy. An intriguing lesson from a solar system video series discusses the discoveries of the Gaia space observatory. With the release of the first 3D map of the Milky Way,...
7:45
Lesson Planet

How Far Can We Go? Limits of Humanity.

For Students 9th - 12th Standards
Imagine living in a neighborhood where the houses on your street keep moving farther away until your house is the only one in the reachable vicinity. That's what is happening in our universe, except your house is our galaxy, and the...
12:35
Lesson Planet

Why the Big Bang Definitely Happened

For Students 10th - Higher Ed Standards
According to Space Time, many different studies prove the Big Bang happened. Part of a larger Cosmology playlist, it discusses the common arguments against and the newest science supporting the theory.
9:37
Lesson Planet

What Happens at the Edge of the Universe?

For Students 10th - Higher Ed Standards
The cosmic even horizon of the universe is closer to us than the particle horizon. Space Time's Cosmology playlist tackles this and other complex concepts about the universe. The video discusses how the scientists define the edge of the...
5:31
Lesson Planet

Galaxies From Nothing

For Students 9th - 12th Standards
Space can never be truly empty because fields occupy the seemingly empty space. Another installment of the Veritasium playlist attempts to explain the science of the creation of the galaxies. By referencing the quantum fluctuations, the...
7:13
Lesson Planet

Physics Nobel Prize 2011—Brian Schmidt

For Students 9th - Higher Ed Standards
Making a discovery often leads to more questions. Check out an episode of the Veritasium playlist describing the work of scientists that led to the discovery that the universe is expanding at an accelerating rate. The narrator offers...
Lesson Planet

Determining the Hubble Constant

For Teachers 9th - 12th Standards
The universe is a vast expanse, full of ample opportunities to learn about math. Young scholars create a scatter plot of distances and recessional velocities of galaxies. Determining the slope of the line of best fit gives the Hubble...
6:29
Lesson Planet

ESS1A - The Universe and Its Stars

For Teachers 1st - 12th Standards
Is there a broader topic than the study of the universe? A video lesson for teachers provides insight into the progression of lessons on the topic from elementary through high school. Examples and descriptions give teachers solid...
2:42
Lesson Planet

What's in the Darkest Part of the Sky?

For Students 10th - Higher Ed Standards
NASA allows anyone, not just scientists, to apply to use the Hubble Space telescope. For every six projects submitted, only one wins the chance to do groundbreaking research. The video explains one of these winning proposals that changed...
Lesson Planet

Scale Activities

For Teachers 7th - Higher Ed Standards
How do you put something as large as the universe in perspective? Use a series of scale experiments. Classmates collaborate around four experiments to examine the scale of the earth-moon system, our solar system, the Milky Way galaxy,...
Lesson Planet

Writing About Informational Text: Beyond the Beyond—Galaxies

For Students 8th Standards
Everyone has a different point of view, even when it comes to the enormity of the universe. Two separate text passages explain the scope of a galaxy, prompting young readers to write an essay about each author's argument and how the...
13:23
Lesson Planet

The Big Bang, Cosmology Part 1

For Students 9th - Higher Ed
Send your space scientists out with a bang! An out-of-this-world video teaches young astronomers about the origin of the universe. The narrator describes the birth of The Big Bang Theory and the physicists and star gazers that...