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Space & Astronomy Riddles

Part of Science Riddles collection

Explore 226+ unique, interactive space & astronomy riddles puzzles.

Out-of-this-world riddles about planets, stars, black holes, galaxies, and astronauts.

Interactive Riddle Challenge

Showing Space & Astronomy Riddles riddles

The Cosmic Spiral

Our solar system resides inside one of my spiraling arms. What galaxy am I?

1,948 solved Astronomy Riddles

The Spinning Lighthouse

I am a highly magnetized rotating neutron star emitting beams of electromagnetic radiation. What...

3,116 solved Astronomy Riddles

The Stellar Explosion

I am the colossal explosion of a star at the end of its life...

2,548 solved Astronomy Riddles

The Lunar Shadow

When I pass directly between the Sun and Earth, day turns into dark twilight....

4,771 solved Astronomy Riddles

I am a vast torus of rocky bodies orbiting between Mars and Jupiter. What...

3,813 solved Astronomy Riddles

The Brightest Star

I am the brightest star visible in Earth's night sky, located in the constellation...

4,726 solved Astronomy Riddles

The Solar Flare

I am a sudden, intense burst of radiation emanating from the Sun's surface near...

1,445 solved Astronomy Riddles

The Cosmic Traveler

I am an icy body that develops a glowing tail of gas and dust...

4,047 solved Astronomy Riddles

The Gravity Trap

I am a region of space where gravity is so strong that not even...

4,186 solved Astronomy Riddles

The Stellar Nursery

I am a massive cosmic cloud of dust and gas where new stars are...

1,732 solved Astronomy Riddles

The Evening Star

I am the brightest natural object in Earth's night sky after the Moon, often...

2,410 solved Astronomy Riddles

The Largest Planet

I am the largest planet in our solar system, with a Great Red Spot...

1,945 solved Astronomy Riddles

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