Tag: #helium

Articles related to helium

science

Preprint: Strong helium outflow detected on sub‑Neptune GJ 3090b could strip its gas in ~300 million years

An arXiv preprint reports a strong metastable-helium signal from sub‑Neptune GJ 3090b, implying rapid photoevaporative loss that could strip its H‑He envelope in ~300 million years.

#exoplanets, #astronomy, #helium, #photoevaporation