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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 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
The Life Cycle of Stars this is what a low or medium life star will become later in its life; typically have the same mass as our Sun, but only a bit larger than the Earth . this may be the beginning or the end of a star's life; a cloud that is made up of dust, helium and hydrogen, and plasma . burn up their fuel more quickly than regular stars; soon all fuels will run out and the core will collapse. places in space so strong that not even light can escape; may occur when a star is dying. the dying stage of a star; they become larger and this color due to the decrease in temperature . Moderately Challenging
The Life Cycle of Stars one of the results at the end of a small/medium stars life. a large cloud of dust and gas. the main and longest phase in a stars life. when a giant star dies. color of the hottest stars. Older Children
The Life of a Massive Star All stars start out like this. This is the second stage of a star. This is the third stage of a massive star. The end of a massive star. This explosion only happens to massive and super-massive stars. Older Children
The Moon, Seasons & Contellations commonly known as the big dipper. the moon phase where we see the entire moon. the man who turned to a swan to save his friends body. what is the main cause for seasons. the first half moon we see in the phases. 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
The Outer Planets note: all phrase or multiple-word answers are combined the brighter clouds in layered atmospheres. Uranus was once thought to be _________.. second largest planet; famous for its many rings. what all outer planets are classified as (considers the composition of the planets). the gap that separates Saturn's two brightest rings. Older Children
The Planets Use the folliwng words: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto; Inner Planets; Outer Planets planets farthest from the sun. the second farthest planet from the sun. the planet farthest from the sun. the planet where we live. planets closest to the sun. Older Children
The Planets Revolve Around the Sun not considered a planet anymore because of being so far away and small. very hot and stormy planet. This planet has rings made of rocks and ice.. The largest ball of energy and light that is ia star and is extremely hot. 4th planet from the sun that is redish in color. Older Children
THe Solar System a hot ball of gases. planets farthest from the sun. a large body of rock or gas that orbits the earth. the spinning of an object on it's axis. an imaginery line that goes through the North and SOuth pole. Moderately Challenging
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
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
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
The Universe distance light travels in 1 year. hot,dim stars at the end of their life. diagram that plots stars according to luminosity and surface temperature. cloud of gas/dust where stars are born. causes day and night. Hard
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
Venus Greek Goddess. Sulfuric acid is where?. composes 3.5% of the atmosphere. Venus doesn't have what?. Largest Volcano. Older Children
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