The extreme difference between day - and
nightside temperatures suggests 55 Cancri has no appreciable atmosphere, because winds should redistribute heat between the two hemispheres.
Not exact matches
The team's measurements suggest the planet's
nightside would actually exhibit a ruddy glow because its
temperature appears to be in excess of 1,000 degrees Celsius — as hot as a blast furnace.
That orientation pushes
temperatures to about 1,900 ° Celsius on the planet's dayside compared with about 900 ° C on the
nightside.
An exoplanet discovered orbiting a massive, scorching star 650 light years away is so hot that even its
nightside hits
temperatures higher than some stars
Because planet b is tidally locked and the outer atmosphere is so efficient at re-radiating heat, its «
nightside» stays dark and cold (top), unlike bands of even
temperature on a Jupiter - like planet (shown below — more).