SmartAss Facts
Leaderboard
Party Mode
Sign in
▶ Play Now
☰
All Facts
›
Astronaughty
›
Neptune has supersonic winds. So don't rely on your hair gel…
ASTRONAUGHTY
Neptune has supersonic winds. So don't rely on your hair gel there
✓ TRUE FACT
↗ Share this fact
Neptune’s fastest winds can reach around 2,000+ km/h (over 500 m/s). That exceeds the speed of sound in Earth’s air (~343 m/s), hence “supersonic” as a comparison point.
Play SmartAss Facts 🎯
More Astronaughty facts
No two stars have the same spectrum—each is unique like a fingerprint. Even the universe avoids duplicates.
A spoonful of a neutron star would weigh about 6 billion tons on Earth. Not dishwasher-safe.
Meteorites can contain amino acids—the building blocks of life. Space occasionally mails ingredients.
The observable universe is about 93 billion light-years across. And that’s just what we can see.
Black holes are just the universe’s “mute” button. Everything goes in, nothing comes out.
The Kuiper Belt is home to icy bodies beyond Neptune. Solar system leftovers, frozen in time.
See all Astronaughty facts →
Explore more
📂 All Astronaughty Facts
🔍 All Facts