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Earth-sized planets all have relatively circular orbits, study finds

For decades, researchers have studied our planet’s orbit with growing interest: is there something special about the way the Earth revolves around the Sun, is it a necessary condition for life to emerge? A team of researchers from MIT studied 74 Earth-sized exoplanets and reports that all of them have fairly circular orbits around their […]

1 in 5 stars may have Earth-sized planets

A statistical analysis of observations based on the Kepler telescope indicates that 20 percent of all stars in the Milky Way host earth-sized planets, a significant part of which could potentially be habitable. Habitable planets in the Milky Way NASA’s Kepler telescope is crippled – it’s reached the end of its four year mission, but […]

Earth-sized lava world found in Alpha Centaury - closest find yet

The search for other planets gets more and more exciting and fruitful, and now, researchers have found an exoplanet which lies truly close to us – in cosmic terms. Alpha Centauri Alpha Centauri is the closest solar system to our own, at only 4 light years away, so finding an Earth-sized planet there really is […]