Astronomy Crossword Puzzles: Free Printable and Online

Gaze into the cosmos and uncover the secrets of stars, planets, and galaxies. Explore astronomical phenomena and the pioneers who mapped the universe.

Print any astronomy crossword below, download it as a PDF, or play it online. Free, and no signup is needed to play.

10 puzzles, click Print on any puzzle below

Constellations

Medium · 11×11 · 14 words
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  1. 3. The sea monster sent to devour Andromeda
  2. 5. The ram with the golden fleece
  3. 6. Southern constellation representing the bird of paradise
  4. 11. The boastful queen forming a distinctive W in the northern sky
  5. 12. Zodiac twins represented by Castor and Pollux
  6. 13. First word in the names of the celestial Major and Minor bears
  7. 14. The crane, a southern constellation

Down

  1. 1. Nemean beast of the zodiac
  2. 2. The poop deck of the giant ship Argo Navis
  3. 4. Half-man, half-horse constellation of the southern sky
  4. 7. The scorpion that killed Orion
  5. 8. The crab sent to distract Hercules
  6. 9. The hero holding the head of Medusa
  7. 10. Zodiac bull containing the Pleiades cluster

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Astronomy

Easy · 5×5 · 5 words
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Across

  1. 1. Relating to the Sun.
  2. 2. The imaginary line around which a planet rotates.
  3. 4. The Latin name for the Moon.

Down

  1. 1. A luminous sphere of plasma held together by its own gravity.
  2. 3. The star at the center of our solar system.

space related. all space missions. planet and moon characters/ names. famous astronomers. basically like general knowledge on steroidI want to learn aswell. make it challenging but not too ambitious.

Hard · 15×15 · 25 words
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  1. 3. A sudden stellar brightness from a white dwarf
  2. 4. A silver ball that started the race in 1957
  3. 7. An extremely bright heart of a distant galaxy
  4. 8. A cosmic lighthouse spinning at incredible speeds
  5. 9. A massive city of stars bound by gravity
  6. 10. The Pole who stopped the sun and moved the earth
  7. 13. A celestial lion containing a Regulus heart
  8. 16. A cracked ice world with a hidden ocean
  9. 17. A falling star that burns in the air
  10. 18. A pale blue dot enthusiast who spoke of billions
  11. 19. The agency that put boots on the lunar dust

Down

  1. 1. The G-type star that keeps us grounded
  2. 2. A peaceful station that fell into the Pacific
  3. 3. A nursery of stars made of gas and dust
  4. 4. A Russian union that remains a reliable taxi to the stars
  5. 5. A war god seeing red in the night sky
  6. 6. A periodic visitor who returns every seventy-six years
  7. 9. A cupbearer larger than the swiftest planet
  8. 10. The universe seen as a well-ordered whole
  9. 11. A bowl-shaped scar from a space impact
  10. 12. A ringed titan that would float in a giant bathtub
  11. 13. A small harp constellation with a bright Vega
  12. 14. Saturns moon that wears a thick orange shroud
  13. 15. The smaller dread circling a war god

space related. like habitat planets. space missions, periodic table ect

Easy · 5×5 · 5 words
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  1. 1. A noble gas element often used in glowing signs.
  2. 3. Relating to the Sun and the energy it provides.
  3. 4. The natural satellite that orbits the Earth.

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  1. 1. The United States government agency responsible for space exploration.
  2. 2. A common metallic element found in the core of many planets.

Space and Astronomy

Easy · 11×11 · 15 words
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  1. 2. When one heavenly body blocks the light of another
  2. 6. A massive system of stars held together by gravity
  3. 8. A fictional being from another planet
  4. 9. The largest planet in our solar system
  5. 12. Relating to the sun
  6. 13. The vast empty area beyond Earths atmosphere
  7. 14. A giant cloud of dust and gas in space

Down

  1. 1. Relating to the moon
  2. 3. The very center of a star or planet
  3. 4. A large round object that circles a star
  4. 5. The region above the earth where clouds and stars appear
  5. 7. A person trained to travel in a spacecraft
  6. 10. The tilted ice giant planet
  7. 11. A frozen ball of ice and dust with a glowing tail
  8. 12. The star at the center of our solar system

Stargazing and Astronomy

Medium · 11×11 · 16 words
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  1. 1. NASA space telescope launching in 2026 to map billions of galaxies.
  2. 5. "___-9," a dark matter relic of early galaxy formation discovered by Hubble in 2026.
  3. 6. Red planet that shares an early morning conjunction with Jupiter in August 2026.
  4. 8. The attractive force that pulls cosmic matter together to form galaxies.
  5. 10. Luminous ring around a celestial body, often caused by ice crystals.
  6. 11. Eclipsed celestial body during the August 2026 total eclipse event.
  7. 12. Comet debris that creates meteor showers when Earth passes through it.
  8. 13. Where stargazers look to find the Perseid radiant.
  9. 14. ___ Major, northern constellation containing the Big Dipper.

Down

  1. 2. Giant interstellar cloud of gas and dust, such as the Eagle or Trifid.
  2. 3. Extremely luminous active galactic nucleus, like the distant ones recently spotted by Euclid.
  3. 4. Swift-Tuttle is an example of this icy solar system body.
  4. 7. What a coronagraph blocks out to photograph distant exoplanets.
  5. 8. A massive system of stars, like Andromeda or the Milky Way.
  6. 9. The hottest planet in our solar system, despite not being closest to the sun.
  7. 11. What a wandering black hole was recently observed devouring by the Swift Observatory.

Astronomy

Easy · 5×5 · 4 words
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  1. 2. The star at the center of our solar system
  2. 3. The vast, empty region beyond Earth's atmosphere

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  1. 1. Fine particles found in space that form stars and planets
  2. 2. A luminous ball of gas in the night sky

Space and planets

Easy · 5×5 · 4 words
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  1. 1. The state of matter that makes up the giant planets like Jupiter.
  2. 3. The second planet from the sun.

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  1. 2. The star at the center of our solar system.
  2. 4. The region of the atmosphere and outer space seen from the ground.

Astronomy

Easy · 7×7 · 7 words
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  1. 1. The physical universe beyond the Earth's atmosphere.
  2. 4. A small body of matter from outer space that enters the atmosphere and glows.
  3. 5. A completely empty area in the universe.
  4. 6. The star at the center of our solar system.

Down

  1. 2. A dwarf planet located in the Kuiper belt.
  2. 3. The curved path of a celestial object around a star or planet.
  3. 4. The fourth planet from the sun known as the Red Planet.

Astronomy

Easy · 5×5 · 4 words
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  1. 1. The United States agency responsible for the civilian space program
  2. 3. A luminous sphere of plasma held together by its own gravity

Down

  1. 2. The vast expanse beyond the atmosphere of Earth
  2. 3. The region of the atmosphere and outer space seen from the ground
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Astronomy Crossword FAQ

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