Potentially habitable planet TRAPPIST-1b may have a carbon dioxide-rich atmosphere, The innermost Earth-like planet in the famous TRAPPIST-1 system might be capable of supporting a thick atmosphere

Potentially habitable planet TRAPPIST-1b may have a carbon dioxide-rich atmosphere

The innermost Earth-like planet in the famous TRAPPIST-1 system might be capable of supporting a thick atmosphere after all, according to new research.