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Online Explorations
Fun, interactive ways to explore the universe
Solar System Trading Cards
Think you can verify Venus and peg Pluto? Give it your best shot.
Resource Overview
Graphic Organizers
T-charts and Venn diagrams for at-a-glance comparisons of celestial objects
Legacy
Comparison of comets and asteroids
When is a comet not a comet? When it's an asteroid! Find out at a glance what makes these related space travelers different.
Resource Overview
Legacy
Comparison of rocky and gas planets
Do we live on a rocky or a gas planet? Find out here …
Resource Overview
Lithographs
Downloadable, fact-filled portraits of celestial objects. Some include a classroom activity.
Jovian Planets
Meet the giants of our solar system.
Resource Overview
Jupiter's Aurora
View a dazzling light show over Jupiter's north pole.
Jupiter's 'Red Spot Jr.'
Find out what Hubble spotted on Jupiter.
Resource Overview
Mars
Catch a glimpse of some strange Martian weather.
Resource Overview
Mars 2003: Closest Approach
See Mars, as close as it's been to Earth in 60,000 years.
Resource Overview
Mars Portrait 2016
See the Red Planet as it was nearing its closest approach to Earth since 2005.
Saturn's Rings
Ponder Saturn's majestic rings.
Resource Overview
Q&A
Commonly-asked questions about space and astronomy
Our solar system
Satisfy your curiosity about the bounty of objects in our solar system.
Resource Overview
Fast Facts
Pictures and vital statistics for the planets and other celestial objects
Asteroid Eros
We landed a spacecraft on this asteroid when it passed close to Earth.
Resource Overview
Asteroid Ida
This crater-pocked asteroid has its own tiny moon.
Resource Overview
Asteroid Vesta
A massive impact with another object left Vesta scarred by a huge crater.
Resource Overview
Comet 9P/Tempel 1
NASA smashed a probe into this comet's core to study ancient material beneath its crusty skin.
Resource Overview
Comet Hale-Bopp
With a nucleus so huge and bright, even city-dwellers could see this one.
Resource Overview
Comet Halley
History's most famous comet also gives us one of our annual meteor showers.
Resource Overview
Dwarf planet, Ceres
A tiny dwarf planet is the big cheese of the asteroid belt.
Resource Overview
Dwarf planet, Eris
The largest dwarf planet discovered so far.
Resource Overview
Dwarf planet, Haumea
Dwarf planet, Haumea: Take a quick spin with this oddball.
Resource Overview
Dwarf planet, Makemake
Dwarf planet, Makemake: Moonless skies for this dwarf planet
Resource Overview
Dwarf planet, Pluto
The object with an identity crisis.
Resource Overview
Earth
The only planet with liquid water — and lots of it.
Resource Overview
Jupiter
A giant, gaseous orbiter with a stormy red spot.
Resource Overview
Jupiter's moon, Callisto
A moon badly in need of some spackling.
Resource Overview
Jupiter's moon, Europa
A salt-water ocean could lurk beneath the surface of this moon.
Resource Overview
Jupiter's moon, Ganymede
The largest moon in the solar system is bigger than Mercury.
Resource Overview
Jupiter's moon, Io
Hundreds of volcanoes seethe and fume over this moon's surface.
Resource Overview
Mars
The red planet may once have been blue.
Resource Overview
Mars' moon, Deimos
A giant space potato orbits Mars.
Resource Overview
Mars' moon, Phobos
OK, who took a bite out of the moon?
Resource Overview
Mercury
The planet that runs hot and cold in a big way.
Resource Overview
Neptune
A calculated discovery.
Resource Overview
Neptune's moon, Triton
A moon that spins to its own tune.
Resource Overview
Saturn
Get the scoop on the planet that could conceivably float in your bathtub.
Resource Overview
Saturn's moon, Titan
Take a dip in a lake of liquid methane.
Resource Overview
The Moon
No atmosphere, no magnetic field — but romantic nevertheless.
Resource Overview
The Sun
A star to call our own.
Resource Overview
Uranus
Tidbits about the planet that looks as though it tipped over.
Resource Overview
Venus
A prime example of the greenhouse effect.
Resource Overview
Myths vs realities
Common misconceptions about space. Each conceptual 'myth' is paired with the facts.
Solar system
The sun is a burning ball of fire — true or false?
Resource Overview
Star Witness news
Timely scoops from the Hubble Space Telescope's impressive array of discoveries
Legacy
20 Years of Exoplanets: The Search for Worlds Beyond Our Own
Resource Overview
Legacy
An Icy Traveler Sweeps Past Mars
Resource Overview
Legacy
Asteroid with Six Comet-like Tails Surprises Astronomers
Resource Overview
Legacy
Closing in on Saturn's Rings
Resource Overview
Legacy
Dawn Spacecraft Will Go Asteroid-Hopping
Resource Overview
Legacy
Earth: Our Oasis in Space
Resource Overview
Legacy
Hubble: A Lunar Prospecting Machine
Resource Overview
Legacy
Hubble Makes One-Millionth Science Observation
Resource Overview
Legacy
Hubble Witnesses Fireworks From Comet Collision
Resource Overview
Legacy
Icy Visitor Makes First Appearance to Inner Solar System
Resource Overview
Legacy
Jupiter's Trademark Red Spot Is Shrinking
Resource Overview
Legacy
Lunar Double Whammy — Spacecraft Hunt for Water on Moon
Resource Overview
Legacy
New Horizons — A Pluto-bound Spacecraft Gets a Boost From Jupiter
Resource Overview
Legacy
New Moons for Pluto!
Resource Overview
Legacy
No Spring Picnic on Neptune
Resource Overview
Legacy
Pluto's Growing Family
Resource Overview
Legacy
Returning Comet Holmes Dazzles Sky Watchers
Resource Overview
Legacy
The Red Planet: Up Close and Personal
Resource Overview
Legacy
Uncovering the Secrets of Pluto
Resource Overview
Legacy
Volcanoes: Powerful Forces of Nature
Resource Overview
Legacy
Xena: The Tenth Planet?
Resource Overview
Tales of ...
In-depth background information on interesting space phenomena
An asteroid disintegrating as Hubble watches
Even asteroids get 'burned' by the sun.
Resource Overview
Dust storms seen on Mars
Have an allergy to dust? Avoid Mars. Find out why.
Resource Overview
Finding potential Kuiper Belt targets for New Horizons Pluto mission
Hubble's gift to New Horizons: three potential KBO targets.
Resource Overview
Neptune's first circuit around Sun since its discovery
After a 165-year stroll around the sun, Neptune finally arrived back where astronomers first found it.
Resource Overview
The first image of a planet orbiting another star
See for yourself! Hubble took the first-ever picture of a planet outside our solar system.
Resource Overview
The hunt for life on other worlds
Find out why scientists were delighted to find methane in the atmosphere of a faraway planet orbiting another star.
Resource Overview
Water-rich planetary building blocks found around white dwarf
An exoplanetary system that survived the burnout of its parent star may have contained Earth-like planets.
Resource Overview
Bookmarks
A set of four eye-catching Hubble images. Download the PDFs, print, fold, and laminate.
Amazing Space Bookmark: Solar System
The eclipse on Jupiter (in near-infrared light) 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.
Solar System Trading Cards, Jr. Edition
Facts at hand. Put the solar system in your pocket.
Resource Overview
