Login | Sign Up | Print Page
Enchanted Learning Logo Enchanted Learning Logo
Home Site Index What's New Free Sample Pages Login Subscribe
Follow us on Twitter Like us on Facebook
Advertisement.

EnchantedLearning.com is a user-supported site.

Site members have full access to an ad-free, print-friendly version of the site.

Click here to learn more.

title image

Astronomy: Picture Dictionary

Little Explorers

AstronomyDictionariesEnglishScience
Little Explorers English Picture Dictionary►
Share this page:

Astronomy-Related Words

asteroid
Asteroid

Asteroids are tiny planets that mostly orbit between Mars and Jupiter.

asteroid belt
Asteroid Belt

The asteroid belt is a doughnut-shaped concentration of asteroids that orbit the Sun between the orbits of Mars and Jupiter.

astronaut
Astronaut

An astronaut goes up into space to explore.

Galileo
Astronomer

Astronomers are people who study astronomy and learn about objects in the universe, like stars and planets.

galaxy
Astronomy

Astronomy is the science that studies the universe.

atmosphere
Atmosphere

The atmosphere is the gas that surrounds a planet.

atom
Atom

Everything is made up of tiny atoms.

aurora
Aurora

Auroras are beautiful lights in the near-polar sky.

Big Dipper
Big Dipper

The Big Dipper is a group of 7 stars contained in the Northern Hemisphere constellation Ursa major (the Great Bear).

Billion
Billion

A billion is a thousand million. The Earth is billions of years old. 1,000,000,000.

Comet
Comet

A comet is the a small, icy object that orbit the Sun. It’s tail always points away from the sun.

Constellation
Constellation

A constellation is a group of stars that we see in the sky. They are not necessarily located together in space, but looks as though they are from Earth.

Crescent Moon
Crescent Moon

A crescent moon is smaller than a half moon.

Earth
Earth

The Earth is the third planet from the sun. It’s where we live!

Eclipse
Eclipse

An eclipse happens when the moon blocks out light from the sun or the Earth’s shadow goes across the moon.

Falling Star
Falling Star

A falling star is not a star; it is a meteor (made of rock and/or iron) which is burning up in the Earth’s atmosphere.

Full Moon
Full Moon

A full moon appears as an entire circle in the sky.

Galaxy
Galaxy

A galaxy is an enormous group of stars.

Gibbous Moon
Gibbous Moon

A gibbous moon is between a half moon and a full moon.

Half Moon
Half Moon

A half moon looks like half a circle.

Jupiter
Jupiter

Jupiter is the largest planet in our solar system and the fifth planet from the sun.

Little Dipper
Little Dipper

The Little Dipper is a group of stars in the constellation Ursa minor (the Little Bear). This group of stars ends at Polaris, the pole star of the Northern Hemisphere.

Mars
Mars

Mars is a reddish planet and the fourth planet from the sun. It is the planet that comes closest to the Earth.

Mercury
Mercury

Mercury is a moonless planet; it is the planet closest to the Sun.

Meteor
Meteor

A meteor is a meteoroid that has entered the Earth’s atmosphere, usually making a fiery trail as it falls. It is sometimes called a shooting star. Most burn up before hitting the Earth.

Meteorite
Meteorite

A meteorite is a meteor that has fallen to Earth. Meteorites are made of stone, iron, or stony-iron.

Meteoroid
Meteoroid

Meteoroids are tiny stones or pieces of metal that travel through space.

Meteor Shower
Meteor Shower

A meteor shower is when a lot of meteor fall through the atmosphere in a short time.

Milky Way
Milky Way

The Milky Way is a bright line of stars stretching across the night sky.

Milky Way Galaxy
Milky Way Galaxy

Our solar system is in the Milky Way galaxy. We can see the Milky Way as a band of stars in the night sky.

Moon
Moon

The Earth has one moon. The moon has no atmosphere. The same side of the moon always faces the Earth.

Nebula
Nebula

A nebula is a cloud of gas and dust in space.

Neptune
Neptune

Neptune is the eighth planet from the Sun. This frozen planet has 8 moons.

North Star
North Star

The north star is a star that is located almost due north and is useful for navigation. Polaris is currently the pole star of the Northern Hemisphere.

Observatory
Observatory

An observatory is place where people observe the skies, using a device like a telescope.

Orbit
Orbit

The Moon orbits the Earth. The Earth orbits the Sun.

Phases Of The Moon
Phases Of The Moon

As the moon circles the Earth, the shape of the Moon appears to change. The phases of the Moon are: the new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, and waning crescent.

Planet
Planet

Eight planets and one dwarf planet orbit our Sun.

Planetarium
Planetarium

Planetariums put on star shows that teach astronomy.

Pluto
Pluto

Pluto is a dwarf planet that is uaually farther from the Sun than any of the planets (Pluto was considered to be a planet until 2006). Pluto’s moon is called Charon.

Quasar
Quasar

A quasar is a distant energy source in space which gives off large amounts of radiation.

Satellite
Satellite

Satellites orbit the Earth.

Saturn
Saturn

Saturn is the sixth planet from the Sun. It has beautiful rings.

Shooting Star
Shooting Star

A shooting star is not a star; it is a meteor (made of rock and/or iron) which is burning up in the Earth’s atmosphere.

solar system
Solar System

In our Solar System, eight planets, one dwarf planet, many asteroids, comets, and other objects orbit around our sun.

Space Shuttle
Space Shuttle

The space shuttle flies into space and back down again, carrying people and equipment.

Spacesuit
Spacesuit

Astronauts wear spacesuits when they walk in space.

Stars
Stars

Each of the stars we see in the night sky is another sun, but much farther away than our sun.

Sun
Sun

The Sun is a medium-sized yellow star in our Solar System. We get our light and most of our energy from the Sun.

Uranus
Uranus

Uranus is the seventh planet from the Sun. Uranus looks bluish and is covered with clouds. It has an unusual, tipped axis, which gives it extreme seasons.

Venus
Venus

Venus is the second planet from the Sun and the hottest planet in our Solar System. From the Earth, Venus is the brightest object in the sky except for the Sun and the Moon.

Zodiac
Zodiac

The zodiac is a band of 12 constellations (groups of stars) in the sky, including Capricorn, Aquarius, Sagittarius, Scorpio, Libra, Virgo, Leo, Cancer, Gemini, Taurus, Aries, and Pisces.

For a more in-depth Astronomy Dictionary, click here.

Other Links:
Estimated Grade Level
Our subscribers' grade-level estimate for this page:
3rd - 4th
You Might Also Like:
Drawing and Coloring Worksheets: Astronomy and Space
Astronomy Look It Up Quiz: Student Research Activity
Picture Dictionary Letters
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Little Explorer Picture Dictionaries
English
English-Dutch
English-French
French-English
English-German
German-English
English-Italian
English-Japanese
English-Portuguese
English-Spanish
Spanish-English
English-Swedish
English-Phonetic
Picture Dictionaries by Topic
Adjectives
Adverbs
Astronomy
Bathroom
Beach
Birds
Birthday
The Body
Buildings
Camping
City
Clothing
Colors
Containers
Devices
Farm
Firehouse
Flowers
Food
Furniture
Geology
House
Location
Mail
Math
Measurement
Money
Music
People
Pets
Prepositions
Plants
Punctuation
School
Sea
Shapes
Sports
Storytime
Time
Tools
Toys
Verbs
Vehicles
Weather
Winter
Words
Advertisement.
▾ See more
Site Overview
What's New
Enchanted Learning Home
Monthly Activity Calendar
Books to Print
Site Index
Enchanted Blog
K-3
Crafts
K-3 Themes
Little Explorers
Picture Dictionary
PreK/K Activities
Rebus Rhymes
Stories
Writing
Cloze Activities
Essay Topics
Newspaper
Writing Activities
Parts of Speech
Fiction
The Test of Time
Biology
Animal Printouts
Biology Label Printouts
Biomes
Birds
Butterflies
Dinosaurs
Biology Continued
Food Chain
Human Anatomy
Mammals
Plants
Rainforests
Sharks
Whales
Physical Sciences: K-12
Astronomy
The Earth
Geology
Hurricanes
Landforms
Oceans
Tsunami
Volcano
Languages
Dutch
French
German
Italian
Japanese (Romaji)
Portuguese
Spanish
Swedish
Geography/History
Explorers
Flags
Geography
Inventors
US History
Other Topics
Arts and Artists
Calendars
College Finder
Crafts
Graphic Organizers
Label Me! Printouts
Math
Music
Word Wheels
Copyright © 2004-2023 EnchantedLearning.com
How to cite a web page
-
Our Privacy Policy
-
Site Index
-
Contact Us
-
About Us
-
Subscribe
Advertisement.
Advertisement.