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Online Explorations
Fun, interactive ways to explore the universe
Galaxy Hunter
Pack your calculator! Statistically speaking, this cosmic photo shoot is out of this world!
Resource Overview
Graphic Organizers
T-charts and Venn diagrams for at-a-glance comparisons of celestial objects
Legacy
Comparison of spiral, elliptical, and irregular galaxies
Galactic similarities and differences at a glance.
Resource Overview
Legacy
Comparison of the Warped Galaxy and the Whirlpool Galaxy
Two cool galactic perspectives: On the edge and dead ahead.
Resource Overview
Lithographs
Downloadable, fact-filled portraits of celestial objects. Some include a classroom activity.
Colliding Galaxies
The act of galactic cannibalism frozen in time.
Resource Overview
Diverse Galaxies
Galaxies are everywhere in this striking image. Can you pick out the spiral, elliptical and irregular ones? (Also available in Spanish.)
Resource Overview
eXtreme Deep Field (XDF)
Hubble goes to the "eXtreme" with this farthest-ever view of the universe. (Also Available in Spanish.)
Galaxy Centaurus A
A portrait of a hungry black hole with an appetite for galaxies.
Resource Overview
Galaxy Cluster Abell 2744
See one of nature's telescopes at work.
Resource Overview
Hubble's Galaxy Gallery (HDF)
A glimpse deep into our universe's past. (Also called the Hubble Deep Field.)
Resource Overview
Interacting Galaxies Arp 147
Hubble scored a perfect ten when it captured these interacting galaxies.
Resource Overview
Interacting Galaxies Arp 273
A rose is a rose is a rose, unless it's a pair of interacting galaxies.
Resource Overview
Interacting Galaxy NGC 7714
Get tangled up with this tangled spiral galaxy.
Resource Overview
M101: The Pinwheel Galaxy
Pin this galaxy to your wall.
Resource Overview
M82: A Starburst Galaxy
Astronomers collect clues to crack the case of an odd-looking galaxy.
Resource Overview
NGC 3314: A Tale of Two Galaxies
See through one galaxy to another in this chance, two-layer alignment.
Resource Overview
Sombrero Galaxy
A central bulge of brilliant stars burns from within the galaxy’s wide, flat, dusty disk.
Resource Overview
Spiral Galaxies NGC 4302 and NGC 4298
This spectacular view of two galaxies at different angles celebrates Hubble's 27th anniversary! (Also available in Spanish.)
Spiral Galaxy NGC 3982
Consider this classic view of a spiral galaxy. (Also available in Spanish.)
Resource Overview
The Hubble Ultra Deep Field
Hubble's deepest view of the universe boasts a zoo of galaxies. See galactic evolution in action over billions of years.
Resource Overview
The Whirlpool Galaxy and Companion Galaxy
A nearby galaxy may be stirring up star birth in the Whirlpool Galaxy.
Resource Overview
Warped Galaxy
It's wacky, it's warped!
Resource Overview
Whirlpool Galaxy
Give this galaxy a whirl.
Resource Overview
Zoomable Gallery
Highlights from Hubble's image collection
eXtreme Deep Field (XDF)
Hubble goes to the eXtreme to assemble this deep view of the universe.
Hubble Ultra Deep Field (HUDF) (2004)
This deep view from Hubble unveils early galaxies.
Interacting Galaxies Arp 273
NASA's Hubble celebrates 21st anniversary with "rose" of galaxies.
M101 (Multiwavelength Composite)
NASA's Great Observatories team up to create this colorful view.
Pinwheel Galaxy (M101)
A grand view of a grand design spiral.
Spiral Galaxy Pair NGC 4302 and NGC 4298
This starry pair offers a glimpse of what our Milky Way galaxy would look like to an outside observer.
Starburst Galaxy M82
Happy sweet sixteen Hubble!
Stephan's Quintet
Hubble opens new eyes on the universe with this view of Stephan's Quintet.
The Antennae Galaxies
Check out these galaxies on a crash course!
Q&A
Commonly-asked questions about space and astronomy
Q&A: Galaxies
Satisfy your curiosity about the variety of galaxies that inhabit our universe.
Resource Overview
Fast Facts
Pictures and vital statistics for the planets and other celestial objects
Andromeda Galaxy
Check out the digs at our close galactic neighbor, the trillion-star Andromeda Galaxy.
Resource Overview
Antennae galaxies
The tails of these colliding galaxies are supposed to resemble an insect's antennae. What do you think?
Resource Overview
Cartwheel Galaxy
The colorful aftermath of a galactic collision.
Resource Overview
Centaurus A
What lurks at the heart of this giant elliptical galaxy? A supermassive black hole!
Resource Overview
Edge-on Spiral Galaxy
A spiral galaxy from a unique perspective.
Resource Overview
Galaxy Cluster Abell 2744
This cluster has enough gravitational 'pull' to reveal the ancient structures behind it.
Resource Overview
Hubble Ultra Deep Field
Peer through the universe at 10,000 galaxies stretching as far back in time as 13 billion years.
Resource Overview
Interacting galaxies Arp 147
A 'perfect 10' for beauty!
Resource Overview
Interacting galaxies Arp 273
Hubble caught a 'rose' tossed by two flamenco-dancing galaxies.
Resource Overview
Interacting galaxy NGC 7714
A galaxy pulled like taffy by the gravitational tug of a bypassing neighbor
Resource Overview
Large Magellanic Cloud
The Milky Way's gravity keeps this galactic neighbor — and its companion, the Small Magellanic Cloud — on a short leash.
Resource Overview
Messier 82 (M82)
Throughout the center of starburst galaxy M82, stars are forming 10 times faster than they do in the Milky Way.
Resource Overview
Milky Way Galaxy
Did you know our galaxy has a bar through its middle? Find out more about the starry home we call the Milky Way.
Resource Overview
Overlapping galaxies NGC 3314
Which galaxy upstages the other in this two-layer, chance alignment?
Resource Overview
Pinwheel Galaxy (M101)
This stunning face-on spiral has an impact that's in-your-face.
Resource Overview
Small Magellanic Cloud
The Milky Way's gravity keeps this galactic neighbor — and its companion, the Large Magellanic Cloud — on a short leash.
Resource Overview
Sombrero Galaxy
A radiant spiral galaxy drifts through distant space.
Resource Overview
Spiral Galaxy NGC 3982
Recent star-formation abounds in this glamour shot of a face-on spiral.
Resource Overview
Stephan's Quintet
Witness a clash among titans!
Resource Overview
Warped Galaxy
A remarkable view of a galaxy that's bent out of shape.
Resource Overview
Whirlpool Galaxy
A face-on view of a classic spiral galaxy.
Resource Overview
Whirlpool Galaxy and Companion
Is this majestic galaxy having a close encounter with a nearby neighbor galaxy?
Resource Overview
Myths vs realities
Common misconceptions about space. Each conceptual 'myth' is paired with the facts.
Galaxies
You need a telescope to see other galaxies — true or false?
Resource Overview
Videos
Engaging introductions to concepts in astronomy
Legacy
Colliding Galaxies
Graceful — or cataclysmic? Watch gravity play its part in bringing galaxies together.
Resource Overview
Legacy
Discovering Galaxies
Our galaxy is not the only one. Edwin Hubble was the first to prove it.
Resource Overview
Legacy
Oddball Galaxies
Galaxies often take familiar shapes but some are outright oddballs. Find out why.
Resource Overview
Star Witness news
Timely scoops from the Hubble Space Telescope's impressive array of discoveries
Legacy
Close Encounters of the Galactic Kind
Legacy
Frontier Fields: Hubble Goes Deep
(Note: JWST is scheduled to launch in 2021.)
Legacy
The Hubble Space Telescope: Time Machine to the Galaxies
Tales of ...
In-depth background information on interesting space phenomena
A history of colliding galaxies: From oddballs to galaxy building blocks
The study of the enigmatic galaxies that collide with, merge with, and cannibalize other galaxies.
Resource Overview
Finding one of the brightest and youngest galaxies in the early universe
A massive galaxy cluster – a natural 'zoom lens' – helps astronomers uncover an infant galaxy.
Resource Overview
Finding the distance to a galaxy through a cosmic magnifying glass
How Hubble is using a giant galaxy cluster to find faint treasures behind it.
Resource Overview
Galactic wreckage in Stephan's Quintet
A tale of galaxies vying for a space to call their own.
Resource Overview
Key events in the history of Centaurus A
Follow the hunt for a once-elusive supermassive black hole.
Resource Overview
New life in an ancient galaxy
An ancient galaxy reveals its secret for staying young.
Resource Overview
The star that changed the universe
The universe became a much bigger place after Edwin Hubble discovered this star. Find out why.
Resource Overview
Bookmarks
A set of four eye-catching Hubble images. Download the PDFs, print, fold, and laminate.
Amazing Space Bookmark: Galaxies
Spiral Galaxy NGC 1300 is one of four bookmarks highlighting astronomical themes explored in Amazing Space's resources.
Trading Cards
Collectible card sets on galaxies and the solar system. Download, print, and fold.
Galaxy Trading Cards
Try your hand at this galactic card game.
Resource Overview
