With an orbit of 647 days, HD 20794 d is similar to Mars in our solar system. However, its orbit around the star is highly ...

Artist's concept of a potentially habitable super-Earth orbiting a star called HD 20794. Illustration credit: Gabriel Pérez ...

For stars such as the Sun or HD 20794, it can extend from 0.7 to 1.5 astronomical units (AU), encompassing not only the orbit of the Earth but also that of Mars in the case of the Sun. The exoplanet ...

As it orbits its star, it moves close enough at one point to experience extreme heat, similar to Venus’s temperature. But at its farthest point, the planet is nearly twice the distance from Earth to ...

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The planet is about six times more massive than Earth and could be rocky, offering a unique opportunity to study a heavier ...

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Scientists have unearthed facial bones that may belong to a previously unknown human species. The bones, nicknamed "Pink," ...

Artist's rendering of a potentially habitable super-Earth orbiting a star called HD 20794.Illustration credit: Gabriel Pérez Díaz, SMM (IAC) The ...

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A new world has just been found orbiting a Sun-like star only 20 light-years away, and it could be one of the most promising ...