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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
The Planets Takes approximately 365 days to rotate around the sun. Closest planet to earth. Farthest planet from the sun . Coldest planet in the solar system. Closest planet to the sun. Young Kids
Stars the intrinsic brightness of a celestial object.. physical property of matter that quantitatively expresses hot and cold.. the measure of the luminosity of a star as seen from Earth. a small very dense star that is typically the size of a planet.. The brightness of a star or other celestial object as it would be as seen from a standard distance (Ten Parsecs).. Older Children
The Orbit On of the EOMs , function : depression of the eyeball. On of the EOMs , function : elevation of the eyeball. On of the CNs , pass through the dorelloís canal , supply the lateral rectus muscle. On of the EOMs , function : internal rotation , abduction and depression of the eyeball. Vein comunicates with the angular vein , it pass between the 2 heads of the lateral rectus , and through the superior orbital fissure. Hard
Space A north and north magnet will ------. Planet with life on it. Planet named after the roman God of the sea. The earth gives off this which allows a compass to work. Earth is a -------. Older Children
Astronomy Use the clues to figure out what word goes where! A great star-like celestial object that emits massive amounts of energy.. A small, icy body that heats up and leavs a trail of gas when close enough to the sun.. A body that orbits a star, is round and has a clear orbit.. A large collection of stars, most likely with a supermassive black hole in the center.. A star that has collapsed in on itself and has so much gravity that nothing can escape from it once it ha come close enough.. Older Children
Venus Fill in the clues of the crossword puzzle. Takes 243 earth days, that's 5,832 hours. The brightest planet. 25 million miles away from venus. Name is venus, and share name with a goddness and a...... Venys rotates clockwise in retrograde rotation once every 243 _ the slowest rotation of any planet. Big
Earth and Space The number of moon phases. Number of hours between a low tide and a high tide. Part of the shadow where all sunlight is blocked. Order for earth, sun, and moon for a lunar eclipse. What type of eclipse occurs during the day. Young Kids
The Ringed Planet All about Saturn largest moon in Saturn.. huge storm in Saturn that happens every 30 years or so.. reason why Saturn can float in water.. one of the shepherd moons.. reason why Saturn is so famous.. Hard
Stars distance light travels in one year; 9.46 trillion km. small dim star; end of a low mass star life cycle. diagram that shows relationship between stars luminosity and temperature. large celestial body composed of gas and emits light; ours is called the Sun. large cloud of gas and dust in space; region where stars are born. Big
Moon Phases Write in the squares what you think which word corresponds with each hint a partially depleted part of the moon.. equal sun for everybody :D. the 'werewolf' moon. half of the moon. an almost complete part of the moon.. Big
Astronomy and Space put each correct word in each numbered clue a ball of superheated gases that planets revolve around. the number of constellations in the whole universe. The outer planets all have this characteristic. Jupiter has this amount of hours per day. to spin on an axis. Older Children
The Sun The sun is a ___________.. We can see the moon in the ________.. The sun ______ in the west.. The sun gives us heat and __________.. The moon ________ around the earth.. Older Children
The Solar System Complete the crossword using the hints below Full of shooting stars. A region of the solar system past Neptune. Largest object in the asteroid belt. I am a dwarf planet shaped like an egg!. New Horizons photographed me in 2015. Older Children
Lunar Cycle and Tides The shape of the visible part of the moon when it is more than half full.. The fifth phase of the lunar cycle. (lasts one day). The seventh phase of the lunar cycle. (lasts one day). Getting smaller.. Low tide and high tide happens ___ times a day.. Big
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
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 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
Solar System A large round hole in the ground made by the explosion of a bomb or by something falling from the sky.. Any one of the objects in space that are made of burning gas and that look like points of light in the night sky.. It is too small to be a planet and is the farthest from the sun.. The planet that is second in order from the sun.. A planet surrounded by large rings.. 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
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
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