James Webb Space Telescope captures the end of planet formation

James Webb Space Telescope captures the end of planet formation

Scientists believe that planetary systems like our solar system contain more rocky objects than gas-rich ones. Around our sun, these include the inner planets — Mercury, Venus, Earth and Mars — the asteroid belt and the Kuiper belt objects such as Pluto. Jupiter, Saturn, Uranus and Neptune, on the other hand, contain mostly gas. But … Read more