Astronomers have discovered two giant exoplanets, lighter than cotton candy, orbiting a star 1,110 light-years away. These “super-puffs,” comparable in size to Jupiter, are the least dense planets of their size ever found, with densities similar to shaving foam. The planets, likely composed mostly of hydrogen and helium, were detected by NASA’s TESS satellite and orbit a star in the constellation Volans. Their unusually long orbits take 139 and 232 days, respectively. Super-puffs are rare and form in gas-rich environments around young stars, shedding material over time. This discovery challenges current understanding of planet formation, as fewer than 40 such planets are known among nearly 6,300 confirmed exoplanets. Studying these exotic systems helps scientists piece together the puzzle of how planets form and understand our place in the universe.
QUESTION: Why do you think studying rare planetary systems like super-puffs is important for our understanding of the universe?
Astronomers find 2 gigantic planets lighter than cotton candy
