Astronomers have identified a hot white dwarf whose atmosphere contains trans‑iron elements and a photometric signal consistent with a second‑generation planet formed from stellar waste.
Posts tagged as “planet formation”
NASA's TESS mission has identified two unusually low-density planets, dubbed 'cotton candy' worlds, in the same star system, offering new insights into planetary evolution.
Astronomers have identified two giant exoplanets, described as "super-puffs," that are the largest discovered with a density less than cotton candy. Orbiting a star 1,110 light-years away, these planets are the lightest known for their size.