While some scientists are using the James Webb Space Telescope, the leading observatory in the sky run by NASA and its European and Canadian counterparts, to study the planets' chemical compositions, ...
AF Lep b is a young exoplanet estimated to be just 23 million years old. If that sounds ancient, consider that the Earth is estimated to be 4.6 billion years old. AF Lep b has a mass around 3.2 ...