
Astronomy is the fascinating study of the stars, planets, galaxies, and everything beyond Earth’s atmosphere. But what happens when we mix this awe-inspiring science with a bit of fun? That’s where astronomy riddles come in! These clever puzzles not only challenge your brain but also spark curiosity about the universe.
So get ready to think outside the planet—let the stargazing and riddle-solving begin!
I light up the night but I’m not the Sun — I wax and wane but harm no one.
I’m full of gas, have rings so wide — people say I’m beauty in the sky.
I’m the closest to the Sun and small in size — my rocky surface may surprise.
I wear a red suit and have a stormy face — I’m the fourth in line and love the chase.
I shine so bright but I’m not a flame — I’m a ball of gas with a burning name.
I’m the giant with a red dot eye — a storm so big it never dies.
Though I’m not a planet anymore, I orbit just like one before.
I come with tails and icy might — I zoom past Earth, then out of sight.
I’m a group of stars you like to trace — hunters, bears, and other shapes.
I mark the path that planets tread — a belt of rocks, just up ahead.
Invisible I might seem to you — but I bend all light and matter too.
No air, no sound, and very wide — I’m where all the planets reside.
I glow at night, sometimes green or red — I’m solar wind in Earth’s sky spread.
Though tiny dust I may appear — I’m what causes stars to disappear.
I’m the line where night and day meet — slicing Earth in a steady beat.
I orbit planets big and small — I reflect their light and sometimes fall.
I’m the time it takes to spin once ‘round — for a planet, that’s a day I’ve found.
I’m a ball of ice with a shining tail — past the planets, I set sail.
I’m born from stars that collapse and cry — exploding brightly in the sky.
I’m the home to stars galore — spiral arms and so much more.
I pull the oceans to and fro — thanks to me, tides come and go.
I’m not alive but I can grow — though once a rock, I now may glow.
I’m Earth’s twin but deadly hot — with clouds of acid and a boiling pot.
I mark the line between sky and land — yet in space, I’ve no real stand.
That’s all for our Galaxy Riddles! If you’re up for another challenge, click below to discover more tricky riddles!