TRAPPIST-1 is a red dwarf star about 40.7 light-years away from Earth. It is of particular interest because it has seven ...

More information: X C Abrevaya et al, An experimental study of the biological impact of a superflare on the TRAPPIST-1 planets, Monthly Notices of the Royal Astronomical Society (2024).

and that between c and d is 5:3. "This narrow discrepancy in the outcome of Trappist-1's assembly is puzzling and represents ...

This illustration shows the seven TRAPPIST-1 planets as they might look as viewed from Earth using a fictional, incredibly powerful telescope. Credit: NASA/JPL-Caltech/R. Hurt (IPAC) 800,000 years ...