When was the first confirmed exoplanet discovered?
A) shortly after the invention of the telescope, in the early 1600s
B) in prehistoric times
C) around 350 BC, by the Ancient Greeks
D) early in the 21st century
E) near the end of the 20ᵗʰ century

Question

Quizplus · Accepted Answer

The first confirmed exoplanet, known as 51 Pegasi b, was discovered in 1995 by Swiss astronomers Michel Mayor and Didier Queloz, marking the beginning of a new era in astronomy.

When Was the First Confirmed Exoplanet Discovered