Planet near a bright orange star. The planet's atmosphere is streaming off the planet, away from the star. A small purple dot is in a square in the upper left. That inset is a real image from Chandra X-ray Observatory.
This is an artist's concept of #TOI1227b, which is gradually losing its #atmosphere and shrinking in size due to X-ray #radiation from its star. Its atmosphere will likely entirely disappear about a billion years from now. 🔭
buff.ly/sK77BPv
📸 NASA/ CXC/ RIT/ A. Varga et al./ SAO/ M. Weiss/ N. Wolk.