I can tell you the age of stars and the universe itself, yet I am not a clock. What am I?
Category: Science · Difficulty: hard
Hint: Think about radioactive isotopes and half-lives.
Answer
Cosmic age techniques
Explanation
Nuclear decay allows scientists to determine the age of celestial objects through radioactive dating methods, using the predictable rates of decay.
This is a hard science riddle — a tricky one that takes a little thought. The answer is Cosmic age techniques.
More Science riddles
- I can drive machines yet remain invisible, I am created from various sources without form. What am I?
- I hold two sides, yet appear as one, I'm central to decisions when things are undone. What am I?
- I cushion your falls, I come in many forms, and I can be found in your home. What am I?
- I create life but am not living, I can combine but remain unchanged. What am I?
- I can be rigid yet bendable, I carry the weight but never complain. What am I?
- I can lift heavy loads but weigh nothing, my strength lies in my unseen essence. What am I?
- I am both a source and a destination, yet I flow through time. What am I?
- I help organisms grow and divide, yet I am not visible without aid. What am I?