2 ms·
Well, the link you're giving says (at the bottom) "Gliese 581 g may be tidally locked to its parent star Gliese 581" So it's not known for certain.
by zeteo 16y ago
Well, the link you're giving says (at the bottom)
"Gliese 581 g may be tidally locked to its parent star Gliese 581"
So it's not known for certain.