LTT 9779 b is nearly 3,630 degrees Fahrenheit (2,000 Celsius) on its dayside. That's hotter than lava. The research team ...
SEE ALSO: A dramatic total lunar eclipse is coming. You don't want to miss it. The research team peered at LTT 9779 b for 22 hours, using an instrument on the Webb telescope called a spectrograph ...