There was a time people thought Mercury would have some “twilight” acreage that was always at habitable temperatures. Then we learned that, while yes it is tidally locked with the Sun, it is locked in a 3:2 resonance so it does rotate with respect to the sun, and everywhere gets both scorched and frozen to uninhabitability.
I mean, nothing on Mercury survives. At night it’s -170 degrees Celsius and +430 degrees at day.
Those are some mercurial tempera…tures
There was a time people thought Mercury would have some “twilight” acreage that was always at habitable temperatures. Then we learned that, while yes it is tidally locked with the Sun, it is locked in a 3:2 resonance so it does rotate with respect to the sun, and everywhere gets both scorched and frozen to uninhabitability.