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 was discovered in 1995 around the star 51 Pegasi, using the radial velocity method. This marked the beginning of the modern era of exoplanetary astronomy. The first confirmed exoplanet, known as 51 Pegasi b, was discovered in 1995 by Swiss astronomers Michel Mayor and Didier Queloz. This discovery opened up a whole new field of astronomy, and since then thousands of exoplanets have been confirmed.

When Was the First Confirmed Exoplanet Discovered