Gaze into the cosmos and uncover the secrets of stars, planets, and galaxies. Explore astronomical phenomena and the pioneers who mapped the universe.
Astronomy offers an expansive and awe-inspiring landscape for crossword puzzles, featuring a stellar vocabulary of celestial bodies, scientific principles, and space exploration milestones. From "nebulae" and "supernovae" to planetary names and famous observatories, this topic provides a universe of clever clue possibilities. Constructors can create puzzles that are both educational and wonder-inducing, appealing to star-gazers and science enthusiasts eager to explore the depths of their cosmic knowledge.
Clues from the puzzles above, without the answers. Pick one to solve it in its puzzle.
“Category of compact galaxy that frequently orbits larger spiral systems”
Deep space astronomy · medium
“Interstellar cloud of dust and gas where stars are born or die”
Deep space astronomy · medium
“Vast, empty expanse between cosmic web filaments”
Deep space astronomy · medium
“Gravitationally bound system containing hundreds or thousands of galaxies”
Deep space astronomy · medium
“Dense central hub of a globular cluster or galaxy”
Deep space astronomy · medium
“Theoretical point of infinite density at the center of a black hole”
Deep space astronomy · medium
“Circular band of ionized gas seen in the constellation Lyra, cataloged as M57”
Deep space astronomy · medium
“Logarithmic measure of a celestial object's brightness”
Deep space astronomy · medium
“Standard mass benchmark based on our home star used to weigh black holes”
Deep space astronomy · medium
“Nearby southern galaxy cluster known for its bright central elliptical galaxy NGC 1399”
Deep space astronomy · medium
“Describing the vast physical space between individual star systems”
Deep space astronomy · medium
“Gravitational distortion of spacetime geometry caused by massive bodies”
Deep space astronomy · medium
“Sudden stellar outburst that temporarily outshines its neighbors”
Deep space astronomy · medium
“Astronomical unit of length equal to roughly 3.26 light-years”
Deep space astronomy · medium
“Process where matter spirals onto a compact object, releasing gravitational energy”
Deep space astronomy · medium
“Cosmic phenomenon where massive clusters bend background light into arcs or rings”
Deep space astronomy · medium
“Flattened, rotating plane hosting the spiral arms of galaxies”
Deep space astronomy · medium
“Infrared space telescope operating near the Earth-Sun L2 point”
Deep space astronomy · medium
“Nearest major spiral galaxy headed for an eventual merger with our own”
Deep space astronomy · medium
“NASA space observatory specialized in high-energy X-ray astronomy”
Deep space astronomy · medium
“Microscopic solid grains that scatter ultraviolet light and obscure distant nebulae”
Deep space astronomy · medium
“Galactic morphology characterized by pinwheel-like stellar arms”
Deep space astronomy · medium
“Reaching this path is becoming cheaper thanks to reusable rockets”
World Space Week · medium
“An icy body that releases gas or dust”
World Space Week · medium
“US agency behind the Artemis missions”
World Space Week · medium
“The famous dwarf planet in the Kuiper belt”
World Space Week · medium
“The vehicle at the center of the 2026 World Space Week "Revolution" theme”
World Space Week · medium
“A giant cloud of dust and gas in the universe”
World Space Week · medium
“The central star of our solar system”
World Space Week · medium
“The amount of gravity experienced in free fall”
World Space Week · medium
Showing the first 30 of 193 clues. Visit each puzzle to see all its clues.
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