Habitability within our Galaxy – Could complex life exist elsewhere?

A team of researchers has presented a new model of habitability within the Milky Way. According to their calculations, more than one in every hundred stars may have planets capable of supporting complex life within our Galaxy. Their results will be published in the journal Astrobiology.
Astronomers generally focus on exoplanets orbiting stars …

Earth-like planets with moons? Not so rare.

A team of researchers explored the possibility of giant impacts on Earth-like planets resulting in a Moon-like satellite: according to their simulations, the phenomenon may be much more common than previously thought.
In the most popular scenario, our Moon formed after Earth and another planet collided: over time, the debris produced …

First habitable alien world?

It looks like the planetary system around the red dwarf Gliese 581 is not done yet with habitable worlds… The system has already been thought to be the first one harboring a habitable planet, in vain. But once again, it might turn out to be the case. With two candidates …

Dark matter could make exoplanets habitable

Dark matter could help maintain liquid water on the surface of large exoplanets, making it possible for life to emerge, evolve, and survive, even in the absence of additional energy from starlight or other sources.
For a planet to be able to maintain liquid water on its surface, scientists assume it has to …

Two billion alien earths in our Galaxy

Recently, after the first results from NASA’s Kepler mission, scientists estimated there could be about 500 miilion Earth-like planets in our Galaxy. According to the new estimate, 1 out of 37 Sun-like stars could harbor an Earth-like world.
Considering the number of Sun-like stars in the Milky Way, billions of Earth-like planets …

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