HardScience

"I am a window to the past disguised as a tool for the future. Everything I show you has already happened. The further I look, the further back in time I see. What am I?"

?

Take a moment to ponder before you face the answer...

Answer

A Telescope

Explanation

Because light takes time to travel, when a telescope shows you a star a million light-years away, you are seeing it as it was a million years ago. The telescope appears to reveal the future of space exploration but actually shows deep history.

This is a hard riddle in the Science category — Riddles about physics, space, biology and the laws of the universe.

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Tags:sciencespaceclassic