{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

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Think about it: If the universe is expanding, all galaxies must be moving away from one another.

Nokorɛ

Ɛnyɛ ampa

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Galaxy groups and clusters are groups of galaxies that stick together because their gravitational attraction outweighs the expansion of the universe on a "small" scale. A galaxy group has a few to dozens of galaxies that move slowly around each other over many millions of years.
Bigger than groups, galaxy clusters have hundreds or even thousands of galaxies packed closer together. Learning about these groups and clusters helps us understand how galaxies move, grow, and change in space.
We are in "the Local Group," a small group of galaxies that includes around 50 galaxies, many of them small "dwarf" galaxies. They are all held together by gravity and slowly move around each other. The Local Group is part of a much larger universe full of galaxy groups and clusters.
What are the 2 largest galaxies in the Local Group?

Milky Way

Andromeda (M31)

Large Magellanic Cloud

Triangulum (M33)

The Milky Way's closest neighbors are the Large and Small Magellanic Clouds. They are slowly orbiting the Milky Way and may be "sucked up" into our galaxy eventually.

Large Magellanic Cloud

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Small Magellanic Cloud

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How would you classify the Magellanic Clouds?

Irregular

Elliptical

Spiral

The Large and Small Magellanic Clouds are visible to the unaided eye, and both have been known for centuries by viewers of the Southern Hemisphere sky.

This image shows the aurora australis (southern lights), the Orion arm of the Milky Way Galaxy, and the Large and Small Magellanic Arms.

Their names come from the explorer Ferdinand Magellan, a colonizer and perpertrator of violence against indigenous peoples. A coalition of astronomers are calling for the scientific community to rename these galaxies

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What would you re-name the Magellanic Clouds?

This colliding pair of spiral galaxies is known as "The Mice" because of the long tails of stars and gas coming off them. Otherwise known as NGC 4676, they will eventually merge into a single giant galaxy.

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What do you think happens when two galaxies collide?

Question 6

00:31

Question 7

00:52

Question 8

02:47

Question 9

03:19

These images show 6 different snapshots of galaxies at different stages of merging. It takes hundreds of millions of years for one merger to complete, so the individual stages are illustrated with different images. Click on the buttons to learn about each stage.

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What do tidal tails indicate about galaxies?

The galaxies are not affecting each other

The galaxies have interacted gravitationally

The galaxies are losing all their gas

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How can astronomers tell where new star formation is happening in interacting galaxies?

By locating dark spots in the galaxies

By observing bright blue clusters and infrared shining

By finding areas with no gas or dust

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What is a visible effect of massive galaxy interactions?

Formation of bright blue star clusters and distorted galaxy shapes

Stopping of all star formation in the galaxies

Creation of red star clusters and organized galaxy shapes

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Which of the following is going through "galactic cannibalism" or galaxy mergers?

Use the website Interacting Galaxies: Future of the Milky Way to help answer these questions. Use the timeline scroll bar to see the changes.

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Which galaxy is moving towards the Milky Way?

Andromeda

Orion

Large Magellenic Cloud

HS-ESS1-2

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HS-ESS1-2

Question 16

00:27

Question 17

00:37

Question 18

00:59

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Optional: Use the Hearing Hubble app to represent galaxies' brightness and color using sound.
Through a process called sonification, scientists assign sounds to different elements of an image – like color and brightness. While this isn’t what space actually sounds like, a musical representation of an image’s information offers a new way to understand and interpret data.
Click the "Share" button and copy and paste the link to your creation here:

3.04 Galactic Neighbors

3.04 Galactic Neighbors

Think about it: If the universe is expanding, all galaxies must be moving away from one another.

How would you classify the Magellanic Clouds?

The Large and Small Magellanic Clouds are visible to the unaided eye, and both have been known for centuries by viewers of the Southern Hemisphere sky.

This image shows the aurora australis (southern lights), the Orion arm of the Milky Way Galaxy, and the Large and Small Magellanic Arms.

Their names come from the explorer Ferdinand Magellan, a colonizer and perpertrator of violence against indigenous peoples. A coalition of astronomers are calling for the scientific community to rename these galaxies

What would you re-name the Magellanic Clouds?

This colliding pair of spiral galaxies is known as "The Mice" because of the long tails of stars and gas coming off them. Otherwise known as NGC 4676, they will eventually merge into a single giant galaxy.

What do you think happens when two galaxies collide?

These images show 6 different snapshots of galaxies at different stages of merging. It takes hundreds of millions of years for one merger to complete, so the individual stages are illustrated with different images. Click on the buttons to learn about each stage.

What do tidal tails indicate about galaxies?

How can astronomers tell where new star formation is happening in interacting galaxies?

What is a visible effect of massive galaxy interactions?

Which of the following is going through "galactic cannibalism" or galaxy mergers?

Use the website Interacting Galaxies: Future of the Milky Way to help answer these questions. Use the timeline scroll bar to see the changes.

Which galaxy is moving towards the Milky Way?

Think about it: If the universe is expanding, all galaxies must be moving away from one another.

How would you classify the Magellanic Clouds?

The Large and Small Magellanic Clouds are visible to the unaided eye, and both have been known for centuries by viewers of the Southern Hemisphere sky.

This image shows the aurora australis (southern lights), the Orion arm of the Milky Way Galaxy, and the Large and Small Magellanic Arms.

Their names come from the explorer Ferdinand Magellan, a colonizer and perpertrator of violence against indigenous peoples. A coalition of astronomers are calling for the scientific community to rename these galaxies

What would you re-name the Magellanic Clouds?

This colliding pair of spiral galaxies is known as "The Mice" because of the long tails of stars and gas coming off them. Otherwise known as NGC 4676, they will eventually merge into a single giant galaxy.

What do you think happens when two galaxies collide?

These images show 6 different snapshots of galaxies at different stages of merging. It takes hundreds of millions of years for one merger to complete, so the individual stages are illustrated with different images. Click on the buttons to learn about each stage.

What do tidal tails indicate about galaxies?

How can astronomers tell where new star formation is happening in interacting galaxies?

What is a visible effect of massive galaxy interactions?

Which of the following is going through "galactic cannibalism" or galaxy mergers?

Use the website Interacting Galaxies: Future of the Milky Way to help answer these questions. Use the timeline scroll bar to see the changes.

Which galaxy is moving towards the Milky Way?

What will be formed once the 2 galaxies merge?

What surprising finding did the Hubble Space Telescope reveal about galaxies?

How are galaxies able to merge despite the expanding universe?

What are signs of galaxies merging?

How long can galaxy mergers take?

What will be formed once the 2 galaxies merge?

When are the Milky Way and Andromeda galaxies expected to collide?

What will be produced by the Milky Way-Andromeda collision?

Why won't stars collide during the merger?