Physics
What can exoplanets tell us about the origins of life?
Quick fact
Exoplanets are planets that orbit stars outside our Solar System.
Why this is interesting
The universe contains more planets than there are grains of sand on many beaches.
Read the full explanation
Understanding What can exoplanets tell us about the origins of life?
Scientists detect exoplanets by observing how they affect their host stars, such as causing changes in brightness or movement.
A deeper explanation
The study of exoplanets helps scientists understand how common planetary systems are and whether conditions suitable for life exist elsewhere. Thousands of exoplanets have been discovered, ranging from rocky worlds to enormous gas giants.