Innehållsförteckning
Hur många jordliknande planeter finns det i Vintergatan?
🌌 Det kan finnas 300 miljoner jordliknande planeter i Vintergatan. Sju procent av de fyra miljarderna solliknande stjärnorna i vår galax kan ha planeter i den beboliga zonen. Vi har hittat tusentals exoplaneter, men fortfarande ingen som är jordens tvilling.
What happens to day and night on a tidally locked planet?
No sudden, sharp boundary marks the passage of day into night. Instead, the shadow line or terminator is diffuse and shows the gradual transition to darkness we experience on Earth as twilight. For a tidally locked planet there is no day or night, only freezing darkness on one side and burning constant sunlight on the other.
Are eyeball planets tidal locked exoplanets?
One form of hypothetical tidal locked exoplanets are eyeball planets, that in turn are divided into ”hot” and ”cold” eyeball planets.
What are some examples of tidal locks in the Solar System?
Pluto and Charon are an extreme example of a tidal lock. Charon is a relatively large moon in comparison to its primary and also has a very close orbit. This results in Pluto and Charon being mutually tidally locked. Pluto’s other moons are not tidally locked; Styx, Nix, Kerberos, and Hydra all rotate chaotically due to the influence of Charon.
Are stars tidally locked with each other?
Close binary stars throughout the universe are expected to be tidally locked with each other, and extrasolar planets that have been found to orbit their primaries extremely closely are also thought to be tidally locked to them.
En rykande färsk rapport efter en genomgång av data från Kepler-teleskopet, pekar på att det finns ca 300 miljoner (!) jordliknande planeter runt solliknande stjärnor, bara i vintergatan.