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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
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
All About Stars The red giant phase is actually a prelude to a star shedding its outer layers and becoming a small, dense body called a ________.. Stars may occur in many sizes, which are classified in a range from ____ to supergiants. White dwarfs cool for billions of years, until they eventually go dark and produce no energy this point is called _____.. Stars may occur in many sizes, which are classified in a range from dwarfs to ________. primary building block of stars. Hard
Astronomy The distance traveled by light in one year. Groupings of stars. A dwarf planet. Super Red Giant. Hottest planet in the solar system. Hard
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
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
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
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
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
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
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
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
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
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
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 Earthís, 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
Constellations Find the Constellations from the discriptions. The Fire Bird. The Winged Horse . The Greater Bear . A cat-like animal. The Ram. Hard
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
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
Exploring Other Stars A small, dim, hot star.. Certain specific wavelengths within a spectrum characterized by lines.. A narrow band of stars on the H-R diagram that runs diagonally from the upper left to the lower right.. The magnitude of a star that we would observe if the star were placed 32.6 light years from Earth.. A graph that compares the properties of stars.. Hard
Far Side of the Moon action of striking one thing against another; collision. the enclosed front section of a rocket. passage of electronic waves from a transmitter to a reciever . line where the Earth and sky meet. a self-contained unit or system within a larger system . Older Children
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
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
Historical Astronomy The distance that the light travels in one year.. A group of stars forming a pattern that is traditionally named after its apparent form or identified with a mythological figure.. The highest point reached by a celestial or other object.. A celestial body moving in an elliptical orbit around a star.. The time at which the sun crosses the celestial equator, when day and night are of equal length.. Hard
Learning the Sun By Sam Kotech What do young solar nebula's do?. What is the process in which two or more low-mas nuclei join together called? . How long would the sun last before shrinking completely?. What happens when small planetesimals collide with larger ones?. What is the sun not doing?. Hard
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
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
Moon the _____ of the moon can affect the tides. the solar system is in ____.. you see the moon at its best at ____.. holes. a full moon is in the shape of a ______.. Older Children
Neptune This particle give the Neptuneís particular color.. The largest moon of Neptune.. Like all the outer planets, Neptune has __________.. It is the main component of the Neptuneís atmosphere.. Neptune appears __________.. Older Children
Neptune A planet something a lot of women wear. a word that means 'to spin'. something very high. something that is in a few fruits. the color of the sky. Older Children
Neptune, Uranus, & Jupiter The planet Uranus was named after ancient _____ gods.. The planets Jupiter and Neptune were named after ancient _____ gods.. Nasa Earth Exchange (short form). The fourth Galilean moon of Jupiter. This was a NASA mission to Jupiter.. Older Children
Planets Often confused as a star. Orbits the sun. Spinning in a circle. 24 hours. Lies at the bottom of the sky. Older Children
Planets A dwarf-planet (not a real planet). The planet that is part rock, part gas. The gas giant with horizontal rings. It is a star at the centre of the solar system. The red planet. Older Children
Planets science dwarf planet. galaxy. close to earth. planet with rings. center of solar system. Older Children
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
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
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
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
Reach For The Stars it's high . something you see when you walk. a big cat. it's really loud. it's has stars in it. Older Children
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
Shooting Star's is the combining of nuclei of light atoms. the lightset of all gases and the most abondant element in the universe. the characteristic physical property of a subtance is equal to the mass divided by the volume. is the spontaneous distintegration of a nucleus into a slightly lighter and more. is a pure substance made of only one kind of atom. Older Children
Small Bodies in Space & Planets the sun. the hottest planet in the solar system. recognized for its bright and large rings. most live in the asteroid belt. the 'red planet'. Older Children
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
Solar System distance light travels in a vacuum. cluster of stars, or a cloud of dust particles and gases. . a _______ is the object that follows its own orbit. turning on an axis. the Milkyway s a ____________. Older Children
Solar System Jupiter, Saturn, Uranus, Neptune. The hottest planet out of all. This planet is made of mostly hydrogen adn helium. Mercury, Venus, Earth, Mars. The farthest inner planet from the sun. Older Children
Solar System Neptune's _____ atmosphere causes its bluish-green color.. The _____ planets are Jupiter, Saturn, Uranus, and Neptune.. The _____ planets are Mercury, Venus, Earth, and Mars. The solar system formed from a piece of a _____ of gas, ice, and dust.. In the solar system, planets revolve around _____.. Hard
Solar System Twinkle, twinkle. Large circular objects in sky, alongside stars. They circle planets or fingers. A chocolate bar with creamy centre. Second planet from the sun. Older Children
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
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
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
Space When a red giant collapses on itself and shrinks in size. A small object that orbit the earth and makes GPS work.. Groups of stars named in honor of mythological beings.. The first stage in the life cycle of a star. Grouping of millions or billions of stars, gas and dust.. Hard
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
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