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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
Planet Mercury dry and rocky. Nearest plant. What the core is mostly made of. Holes in the surface. Mercury has none. Older Children
Life Cycle of Stars a core of a star that is left behind. a large cloud of gas and dust. a very large star that is running out of fuel that is brighter and cooler than a giant. an object with gravity so strong nothing can escape it. any star that is fusing hydrogen in its core with a stable balance. Older Children
Stars The left over core of a Star.. These stars can stretch over hundreds of light years across.. This object is very black.. This telescope has convex lenses. . These stars radius is 1500 times the Sun.. Big
Life Cycle of a Star a core of a star that is left behind . a large cloud of gas. a very large star that is running out of fuel which is brighter and cooler than a giant. an object with gravity that is so strong that nothing can escape it. a star that is running out of fuel that has high luminosity and low surface temperature. Big
Moons Large moon of Saturn and has liquid lakes. Something other than water that Europa and Earth has in common. ______s have been seen jetting out of Europa and Enceladus. Sixth planet from our sun and has 62 moons. Small moon of Jupiter and the sixth largest moon in our solar system. Older Children
Mercury : the Planet core component. holes on the surface. mercury is 1/3 the size of this planet. has none of these. path around the sun. Young Kids
The Solar System Glowing ball of hot gas that makes its own energy and light. Large object in space that orbits a star such as the sun. Envelop of gas surrounding an object in space. very bright, rotates in opposite directions from other planets, day lasts 243 Earth days, much carbon dioxide in atmosphere, greenhouse effect, very hot, rolling plains, towering highlands.. iron in rock and soil, two moons rotates once every 24 hours and 38 minutes, year lasts 687 Earth days, thin atmosphere of mostly carbon dioxide, windy. Older Children
Solar System Fill out cross word puzzle below an object that moves around another object in space. different shapes of the moon. a large object that moves around a star. the motion of a planet or other object as it turns on its axis. the movement of one object around another in space. Older Children
Venus Venus is the 3rd _____ object in the sky after the Sun and moon.. Its high, reflective clouds are made mostly of _____ _____.. _____ is the second planet from the Sun.. Venus high temperature is due to the runaway _____ effect.. Its atmosphere is composed of 97% _____ _____.. Older Children
Astronomers Identify the different astronomers most famous for his law of gravitation, was instrumental in the scientific revolution of the 17th century. he wrote a book named Cosmos. he discovered Geography. discovered the first spectroscopic binary stars. discovered 40 nebulae and 13 comets. Hard
Astronomy ball of gases that give off a tremendous amount of electromagnetic energy. dark line. device that separates light into different colors (wavelengths). By mass the composition of the sun is 75% ________. stars vary in _____. Hard
Mercury The core of Mercury is made up of this.. Craters and famous features are named after deceased ____, musicians, or authors.. The name of the main mission that went to Mercury.. If the gravitational compression is not considered, Mercury is the ____ planet.. Mercury has ___ real atmosphere.. Older Children
Solar Sytem The temperatures and pressures inside a star are so great that nuclear '......' can happen. Is a large collection of stars. Nuclear reactions release energy to keep the star '...'. The age of our sun its about five '.......' years. The name of our sun. Big
Solar System By: Sarayu 4D-1 an object that moves around another object in space. a burning sphere of gas. different shapes of the moon. a large object that moves around a star. the motion of a planet or other object as it turns on its axis. Older Children
Solar System Formation cold interstellar gas cloud. _________is a captured moon of Neptune. thick bubble of icy debris that surrounds our solar system. Our moon formed from a __________ of another object with Earth. exerted upon any surface exposed to electromagnetic radiation. Hard
The Solar System an object that moves around another in space. a burning sphere of gases. a large object that moves around a star. the motion of a planet or other object as it turns on its axis. a device people use to observe distant objects. Older Children
Life Cycle of Stars Fusion gives out ____ and heat energy. This type of star is very dense, formed after a supernova. ______ Fusion is the energy source for a star. A white ______ star is formed by the collapse of the core of a red giant. When the Sun turns into a red giant it will swallow up Mercury and _____. Older Children
Astrology Something Saturn And Uranus both have. Gases that surround a star or planet. Might be on Mars. Second planet from the sun. Sixth planet from the sun. Big
Journey Into Space This person travels in space.. TV stations use these.. This is a place in space. People can work here.. Your English teacher with other words. :). The Earth goes round this.. Older Children
Stars and Constellations is a telescope that gathers and focuses light. are stars which suddenly become very bright. enable astronomers to study extremely hot objects in space. is a massive ball of plasma that emits light throughout the universe. the big bear. Hard
Solar System an object that moves around another object in space. a burning sphere of gases. different shapes of the moon. a large object that moves around a star. the motion of a planet or other object as it turns on its axis. Big
Astronomy - Space Weather If the aurora appears over the south pole, it's called the _____.. If the aurora appears over the north pole, it's called the _____.. _____ are upper atmosphere disturbances caused by solar activity.. The glow produced by the interaction between Earth's atmosphere and solar wind is called the _____.. An _____ flare is the largest and most intense type of outburst.. Older Children
Astronomy - The Sun Sunspots are related to solar activity, particularly in bright outbursts called _____.. Some _____ and radar detectors track the Sun's influence predict space weather events.. _____: The Solar Dynamics Observatory, which gives real-time imagery of the Sun and its outbursts and does helioseismology.. The Sun is essentially a big sphere of _____.. The Global Oscillations Network Group (GONG) focuses on sound waves moving through the Sun, a science called _____.. Hard
Astronomy - What's a Planet? In the current definition, a _____ is defined as a celestrial body with its primary orbit around the Sun, sufficient mass for its own gravity to mold it into a round shape, and is the only body of its size in its orbit.. Early Greek sky gazers used the word _____ (wanderer) to refer to starlike objects that wandered through the sky.. _____, where icy material erupts from beneath the surface, occurs mostly on the frozen moons of the outer solar system.. In 2005, planetary scientists found _____, which is larger than Pluto.. _____ warps the surface layers on a planet or moon, driven by heat from below.. Older Children
Astronomy - The Solar System Planets in the _____ solar system are giant and orbit the Sun at larger/farther distances.. Planets in the _____ solar system are smaller and orbit the Sun at closer distances.. The _____ is a region beyond the gas giants; it extends from the orbit of Neptune out to a distance of well beyond 50AU from the Sun.. The entire solar system is surrounded by a shell of frozen bits of ice and rock called the _____.. The term _____ means 'slightly flattened circles'.. Older Children
Astronomy - Astronomy Lingo The _____ comes from multiplying the speed of light by the total seconds in a year; the result is the distance light travels in a year.. _____ is the most basic property studied in astronomy.. If the object moves away from us, the lines are _____ - shifted toward the red end of the spectrum.. An object moving toward us shows lines in its spectrum that are _____, or shifted to the blue end of the spectrum.. The very largest distances are measured in units of _____, or Gpc.. Big
Galaxies Hundreds of thousands of galaxies that are bound together by gravity.. A group of stars forming a pattern named after a mythological figure or after it's apparent form.. An extremely large group of stars and planets.. A galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arms.. Space where a gravitational field is so string nothing can escape.. Older Children
Solar system huge, made up mostly of gases, no solid surface, small cores, many rings describe this. Earth's home galaxy, looks like a faint band of _____________.. billions of stars, gas and DUST.. type of galaxy with no particular shape, stars are RANDOMLY SCATTERED. largest stars are usually the ___________.. Hard
Stars and Galaxies distance light travels in one year. small, hot, dim star that is the leftover center of an old star. large celestial body that is composed of gas and emits light. Any of the large bodies that travel around the sun and shine by reflecting its light. object so massive and dense that even light cannot escape its gravity. Older Children
Exploring Space Any human-made object placed in orbit around a body in space.. All the frequencies or wavelengths of electromagnetic radiation.. A reusable spacecraft that launches with the aid of rocket boosters and liquid fuel.. A small vehicle that comes out of the lander and explores the surface of a planet or moon beyond the landing site.. A craft designed to land on the surface of a body in space.. Older Children
Sun when two atomic nuclei join to make a bigger nucleus all while releasing energy.. the center of the sun; where energy from nuclear fusion is generated. made up of mostly hydrogen and helium. middle layer of the sunís interior. outermost layer of the sunís outer layers. Older Children
Planet Earth complete the following a split. a way to test what type of rock. a shiny or glow. cracking or breaking of a hard mateial. changes from one mateial to another. Older Children
Earth's Crust is trace of ancients organism that has been preserved i rock . the continents were joined together in a supercontinent . measure of how much mass there is in a given volume of a substance . process by which the ocean floor sinks beneath a deep ocean trench and back into the mantle . plates move apart or diverge . Older Children
Earth and Moon complete the crossword by filling in the correct answers. ____ ______ happens inside the Sun. When ____ solidified, it was dark and flat. An ______ is a day when Earthís rotation axis is leaning along Earthís orbit,. The line on which an object rotates is the _____ _____. ______ motion of Earth causes day and night. Hard
Space a measurement equal to the distance that light travels in 1 year; about 6 trillion miles. a natural or man-made object that revolves around another object in space. a bowl-shaped pit usually caused by meteorites. huge globe of hat gases that shines by its own light. a huge cloud of gas and dust in space. Very Difficult
Life of a Star The blue-white hot core of a star that is left behind after its outer layers have expanded and drifted out into space.. A large cloud of gas and dust in space, spread out in an immense volume.. A star system with two stars.. A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity.. A large, round, densely-packed grouping of older stars.. Hard
Planets The only dwarf planet. Planet named after the Roman goddess of love and beauty.. Has multiple rings around this planet. A star. Named after a tasty chocolate bar. Easy
Astronomy The moon has eight of these. A large body of planets,stars.and other space bodies. The theory that suggests that the Earth is the center of the universe and that all other body revolves around it. This group contains a sun,planets,stars,and other smaller bodies. It contains everything. Older Children
The Sun These are vocabulary word that relate to the sun, fill the word into my crossword puzzle. incandescent gas that extends above the the Photosphere.. The process which releases energy.. streaks of colorful light in the sky, normally found near the northern or southern magnetic poles.. Something that makes things visible/illumination. . what is at the center of the sun?. Older Children
Discovering Mars 3 dimensional shape. going farther than something . the layers of gasses surrounding a planet. a device to look at things far away. how far something goes. Big
Astrology Wrote 'Principal' and tied together the ideas of Copernicus, Kepler, and Galileo.. Publisher of 'On the revolutions of the heavenly spheres.' Argued that the sun is at the center of the universe.. Explained why planetary bodies do not go off in straight lines but instead continue in elliptical obits around the sun.. The greatest astronomer of antiquity. Created a geocentric universe model.. Model of the universe in which the universe is a series of concentric spheres. Earth is at the center of these spheres.. Big
Planets in the Solar System The atmosphere is so thick and traps so much heat that this planet has the hottest surface temperatures of any planet.. This planetís moon Titan is actually bigger than Mercury. These types of planets are small, dense and have rocky surfaces.. This is the only other planet that shows evidence that liquid water may be present.. These types of planets do not have solid surfaces and are much larger and more massive than the Earth.. Older Children
Planets What was the smallest planet before it became a Dwarf planet?. What is the brightest planet?. What is the 2nd biggest planet?. Where was the biggest volcano found in our Solar system?. What is the biggest planet?. Older Children
Solar System Look up at night there it is.. The region beyond the orbit of Neptune.. The closest dwarf planet to the Sun.. Used to be a planet.. The mass at the middle of a black hole.. Older Children
Sun bright feature extending outward from the Sun's surface. nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy. sometimes referred to as a polar light, is a natural light display in the sky. stimulates sight and makes things visible. It is the hottest part of the Sun and of the Solar System. Big
Space! These are some things in outer space, Have fun! Jupiter īs second largest moon. a cloud of gas and dust in outer space, visible in the night sky as an indistinct bright patch . classified as a dwarf planet in . a celestial body orbiting the earth or another planet. It has the longest rotation period (243 days) of any planet in the Solar System and rotates in the opposite direction. Older Children
Star Facts Complete the crossword. dim core star. 2 hydrogen atoms combining into a helium atom. cloud of dust and gas. end of the life cycle of star with a mass 4 times greater than the sun. created when an object in space moves toward from the observer. Older Children
Sun hottest part of sun. dark spots on the suns surface. aura of plasma that surrounds the sun and other stars . gaseous layer that is visible during a total eclipse of the sun. causes disturbances on earth. Older Children
Astronomy a small, white, hot star that glows from leftover heat. the amount of energy and noise produced by an energy wave. the process of fusing atoms together under extreme heat, by smashing them into each other at extreme speeds. large clouds of gas and dust where stars are formed. characteristics include shorter wavelength, higher energy, and higher temperature. Hard
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