Indeed, you are correct. https://www.quora.com/Is-Mercury-tidally-locked-so-that-one-side-always-faces-the-Sun https://www.quora.com/Is-Mercury-tidally-locked-

Indeed, you are correct. https://www.quora.com/Is-Mercury-tidally-locked-so-that-one-side-always-faces-the-Sun https://www.quora.com/Is-Mercury-tidally-locked-so-that-one-... There is more info about what is and is not: https://en.wikipedia.org/wiki/Tidal_locking https://en.wikipedia.org/wiki/Tidal_locking