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A solar twin is the informal name for a star with characteristics similar to our own Sun. Most scientists consider the prospect of having habitable planets is greater for solar twins than other stars.
A solar twin is a star with properties such as spectral type, surface temperature, rotational velocity, mass, variability and metallicity which are close to the solar values. Observations of solar twins are important for understanding better the properties of our own Sun in relation to other stars and the habitability of planets.
Stars currently considered to be solar twins include:
See also
- Earth twin is a planet that can be habited by human in a similar way to earth.
- Planetary habitability
- Space colonization
"Solar twin"