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 …

There could be as many rogue planets as stars in our Galaxy

About two decades ago, the only planets we knew were the ones in our solar system. And we discovered other planets, orbiting other stars. With years, more and more have been detected, and their number is constantly growing. Now, it turns out that our Milky Way Galaxy may swarm with …

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 …

Alien life on Kepler’s worlds: Let the hunt begin

Among the exoplanet candidates found by Kepler, many could be similar to our Earth. Astronomers have now started listening for signs of alien life on 86  of these possible Earth-like planets.
The Green Bank telescope, located in West Virginia, is the wold’s largest fully steerable radio telescope, and the world’s largest land-based …

The portrait of a “super-exotic super-Earth”

An international team of astronomers revealed the details of a “super-exotic” exoplanet, the densest known rocky planet.
In the image below, you can see a simulation of the silhouette of this exoplanet, 55 Cancri e, passing in front of its parent star, compared to the Earth and Jupiter transiting our Sun, as …

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