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Astronomy Crosswords

To view or print a Astronomy crossword puzzle click on its title.

Title Instructions / Description Sample Puzzle Hints Difficulty
Space Mystery Use these hints to figure out these space words. One of Saturn's moons that has a heavy and hazy atmosphere. Dwarf planet. It has five known moons. One of Jupiter's galleon moons that is half rocky and half icy, with a thin atmosphere. Hottest planet and second planet from the sun. Has rings that are made of rocks and dust. Big
Astronomy Bright gas extending from the sun; loop shape. Lots of atoms make a single bigger atom. Lights in the sky. Bright; shinning; visible . The center of the Earth. Big
Solar Sun Clouds of glowing gases that follow curved lines.. The process of combining to or more nuclei. . the zone surrounding the core.. Bands of light usually seen at the poles, due to solar wind interacting with Earth's Magnetosphere.. The photosphere is known as this.. Big
Astronomy The process where the sun allows to give off energy; 'refuels the sun'. made by a collision from electrically charged partials released from the sun ;Also known as the northern lights . A part of the visible light range in the electromagnetic spectrum, so we can see it . The center or middle of a planet . A bright extending feature from the corona . Big
The Sun A stream of incandescent gas projecting above the sun's chromosphere.. A nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.. A natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky.. Stimulates sight and makes things visible.. The central or most important part of something.. Big
Atmosphere A loop of relatively cool, incandescent gas.. When nuclei of small atoms combine to form massive nuclei.. Result of charged particles colliding, creating bright lights in the sky.. Visually perceived radiant energy.. innermost or central part of anything.. Big
Planets usually the most distant planet in the solar system.. The second planet from the sun (the Earth is third) is named.... 6th planet from the sun. hottest planet in our solar system. The Roman name of Ares, the Greek and Roman god of war.. Older Children
The Solar System when a nuclei of a small atom combines and forms a new nucleus, and creates energy. the section of the solar interior between the innermost core and the outer convective zone.. It helps you see when it is dark . It is in the middle of the sun . is a torus of energetic charged partials . Big
The Sun a loop of coronal gas that is relatively cool, caused by the strong magnetic field of the Sun.. The process of combining nuclei of small atoms to form larger atoms.. colored light that is produced when charged particles interact with the Earth's Magnetosphere. Oxygen and Nitrogen become excited and give off light. . Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.. The solar wind is a stream of charged particles released from the upper atmosphere of the Sun.. Older Children
Sun What is a loop of cool, incandescent gas that extends above the Photosphere?. What is the process by which nuclei of small atoms combine to form a new, more massive nucleus?. What is colored light the is produced by charged particles from solar winds and the magnetosphere that react with oxygen and nitrogen?. What happens when all the hydrogen in the Sun heat up?. What is the hottest part of the Sun and our solar system? Reaches 15 million degrees Celsius . Big
The Sun The Sun's Structure - The Sun's Processes - The Effects of the Sun on Earth a loop of relatively cool, incandescent gas that extends above the photosphere. the process of combining nuclei of small atoms to form more-massive nuclei. the interaction between the solar wind and Earth's magnetosphere appears as bands of light in the sky. photons emitted from the Sun to the Earth's surface. the center of the Sun; made up of ionized gas. Big
Planets About 75% of the Earth is made of this substance. Earth's twin. The least dense planet in the solar system. A rover landed on this planet and discovered traces of water. Bluish in color because of methane gas in the atmosphere. Easy
Sun Large solar rings forming out from the sun. The forming of two or more atomic nuclei . The zone just outside of the suns core where Nuclear fusion takes place. An electrical phenomenon that produces light. The natural thing that stimulates sight. Big
The Sun the Moon the Earth and Around fill in the crossword puzzel the coldest season. twinkle twinkel little .... outside earth. the planet after our planet. the star closet to us. Big
Space Test your knowledge. Try our very own space crossword. Saturn has these. A layer of gases surrounding the earth. When the moon blocks the sun. ________ belt. The closest star to earth. Easy
Solar System Saturn's largest moon. the sun is a . how many planets are larger than earth. 2nd planet. the sun orbits the earth. Older Children
Astronomy Belt Loop Use the hints to find the astronomical terms The leftover material when a star is at the end of its life cycle. Very dense but also very small. Glows white but is not very bright... A glowing sphere of plasma held together by its own gravity.. Orbits a star and is large enough to form a spherical shape under its own gravity. Mercury, Venus, Earth and Mars are examples.. A group of billions of stars. Andromeda is an example.. The galaxy in which we live. Contains 100-400 Billion stars.. Older Children
Astronomy He determined the length of a year to an accuracy of six minutes.. What civilization was the first to try to explain the universe in an organized, logical manner?. What is the name of the longest (in summer) or shortest (in winter) day of the year?. Who created the geo-centric model, with a stationary Earth at the center?. What is the name of the Egyptian goddess that swallows the Sun?. Hard
The Universe the distance that light travels through space in 1 year. a large celestial body that is composed of gas and emits light. a relatively large spherical body that orbits a star. a large collection of starts, gas, and dust held together by gravity. extremely large stars. Hard
Science Solar System Abrie Neptune has 14 _________ moons.. 70% of Earths surface is ________.. ___________ is named after the Roman goddess of love and beauty.. ___________ has 62 known moons.. Venus's surface is hot enough to melt __________.. Big
Planets science dwarf planet. galaxy. close to earth. planet with rings. center of solar system. Older Children
The Life Cycle of a Star Complete the puzzle with more words from the text. to suddenly fall down or give way. ________ Spencer got really tired and fell asleep. = in the end, especially after a long period of time. Nothing happened __________ Peter was at school. = during the time that. A synonym for 'basic, central, crucial, fundamental or essential' is __________.. to cause to function; to activate. Older Children
Meteors Result of the Earth crossing paths with a comets meteoroid stream. Most abundant category of meteorites. Cause of the streak of light that we know as a meteor. Largest known meteorite on planet Earth. A grain of this is the average size of a meteorite. Big
Space Exploration measurement of time that they use in space. neal armstrong. vechile to travel to space in. man made object that floats in space. what we live on. Hard
Space de by AlexExploration what was Neil Amstrongs job . an object that sends and recives signals. a vessle that transports humans into space. what is our sun. once was a planet. Hard
The Solar System Dwarf planet. The Earth spins on its..... A big space rock. Giant ball of gas. First man to walk on the moon. Older Children
Space Exploration what was Neil Armstrong's job. an object that recives and sends phone and tv signals. A vessel that transports humans into space. what is our sun. an object that we use to gaze at stars. Older Children
Colonize the Red Planet On Mars, the Sun-------------- about half the size as it does on Earth.. Mars has------------------- like Earth, although the ice is made up of carbon dioxide or what we call dry ice.. ------------------surface gravity is only 37% of the Earth’s, meaning you could leap nearly three times higher on Mars.. Rocks from Mars have-------------------to Earth. . Mars is home to the ---------------- mountain in the solar system.. Older Children
The Solar System The Earth is bigger than the Moon.. The Nile River is the longest river on Earth.. Yuri Gagarin was the first man in Space.. Mars is known as the Red Planet because it`s surface is mostly red.. The Sun is the biggest thing in the Solar System.. Big
Space Read the hint and below the word on the box The people that go to space. The thing that astronaut drive to go to the space. The moon of Saturn that bigger what we call?. The thing is bigger than the sun. The thing the astronaut put in space. Hard
Galaxies type of galaxy that doe not fit into any other category.. type of galaxy we live in.. name of our galaxy.. type of galaxy that is oval or has a round shape.. galaxies are made up of _______, dust, and gas.. Older Children
Astronomy a signal from space. stages that are caused bny the position of he moon. a low pull of gravity in the ocean. a word used to describe one full day. the whole moon is visible. Big
Life in Space Athletes and astronauts have to go through this to be good at their jobs. Astronauts live here when at work in space. The _____ on the rocket blasted out hot flames.. they ride up on the space shuttle. The rocket was _____ last week.. Older Children
Alien Planets fill in the crossword puzzle a fixed luminous point in the night sky that is a large, remote incandescent body like the sun.. a system of millions or billions of stars, together with gas and dust. optical instrument designed to make distant objects appear nearer. is the galaxy that contains our Solar System. planetary motion are three scientific laws describing the motion of planets around the Sun.. Big
Space Exploration someone who is sent into space in a spacecraft. way of travel through space, which can land on land. Downlink from a spacecraft that immediately indicates the state of the spacecraft as being one of several possible states by virtue of the presence and/or frequency of the subcarrier. Command and Data Subsystem onboard a spacecraft. how we are able to float in space. Older Children
Stars and Galaxies unit of astronomical distance equivalent to the distance that light travels in one year. group of stars forming a recognizable pattern. cloud of gas and dust in outer space. systems of millions of billions of stars, together with gas and dust, held together by gravitational attraction. luminous envelop of a star from which it's light and heat radiate. Older Children
The Solar System Largest moon of Saturn.. Moon of Neptune; it has retrograde rotation.. The region where comets with short orbital periods are located. (2 wds). Dwarf planet that was once considered to be the 9th planet.. The region where comets with long orbital periods are located. (2 wds). Very Difficult
Stars and Galaxies Science Vocabulary Words Objects that were too mall to tart the nuclear reactions that would make them glowing stars.. Joining of the nuclei of atoms of lighter elements under pressure releasing huge amounts of energy.. Elementary particle with roughly the same as a proton.. A large assembly of stars, gas, dust, and other mate bound together by gravity.. Study of the origin and evolution of he Univere at a whole.. Big
Space large bright stars that are smaller and fainter than supergiants . Distance that light travels in a vacuum in a year, about 9.5 trillion kilometers. Small dense remains of a low or medium mass star. how a bright a star really is. A graph of surface temp or color and absolute brightness of a sample of stars. Very Difficult
The Universe in a Nutshell A theory that unites all five string theories, as well as supergravity, within a single thoretical framework, but which is not yet fully understood.. The distance traveled by light in one year.. The scientist who found the equations of how mass and energy warped spacetime before Einstein, but gave credit to him.. Where Einstein spent the last twenty years of his life because he left Germnay and renounced his citizenship.. Energy is always _____ and so it gives spacetime a curvature that bends the paths of light rays toward each other.. Very Difficult
Galaxies and Groups of Stars Huge Groups of individual stars. Large Group of older stars that lack a sufficient amount of gas to form new stars. Type of galaxy that appears to be disorganized. Type of galaxy we live in. Bright center of young distant galaxies. Older Children
Eclipses Find the word that matches the hint. 2 points where the Moon's orbit crosses the Sun's plane.. An oval shaped orbit.. A shadow that makes the Moon or Sun seem to grow dark.. A star that we orbit and shines light on us.. A cone of lighter shadow.. Older Children
Eclipses Find the answer to the definition or hint The Earth and moon are in total darkness. Shadows make the Sun or Moon grow dark. . A very bright star. cone of lighter shadow. Darkest part. Older Children
The Nine Planets the first artificial satellite. planets that spin in a counterclockwise rotation. planets that spin in a clockwise rotation. its moon is more than half the size of this planet. planet that is more like Earth than any other. Older Children
Astronomy the remaining hot core of a star after its outer layers have expanded and drifted out into space. the number of complete cycles of a wave. A graph relating the temperature and brightness of stars. an object in space that consists of a mass of hot, glowing gas that generates energy by nuclear reactions.. a large cloud of gas and dust that may be the beginning of a new star. Very Difficult
Space Large bright stars that are smaller and fainter than supergiants. Distance that light travels in a vacuum in a year, about 9.5 trillion kilometers. Huge loops of gas that erupt from sunspot regions. Small dense remains of a low or medium mass star. How a bright a star really is. Very Difficult
Solar System The distance that light travels in one year.. A star's luminosity if it were at a standard distance from Earth.. The tendency of an object to resist change in motion.. A large cloud of dust and gas where all stars begin their lives.. A huge group of stars, dust, and gas bound together by gravity.. Hard
Astronomy Complete the crossword puzzle What we call our moon. Waning and Waxing are moon .... The four biggest planets in our solar system. made of rock and ice. Completing an axis. Hard
The Inner Planets Find the answer to the hints given. The amount of inner planets.. Mercury has virtually no _________.. Venus's atmosphere is so _________, its always cloudy.. Earth's 'twin'. Venus rotates so ________ that its days are longer.. Older Children
Astronomy any object that revolves around another object in space. a round pit on the moon's surface. the part of the shadow surrounding the darkest part. the two days of the year on which neither hemisphere is tilted toward or away from the sun. the spinning motion of a planet about its axis. Hard
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