I’m estimated to be around 13.8 billion years old, yet I can’t tell you my birthday. What am I?

Category: Science · Difficulty: medium

Hint: I encompass everything from galaxies to particles.

Answer

The Universe

Explanation

The universe is the vast expanse of space-time that contains all of existence, estimated to be 13.8 billion years old.

This is a medium science riddle — a moderate challenge for most people. The answer is The Universe.

More Science riddles

All Science riddles · Riddles with answers · Home