Scientists find potentially habitable planet near Earth

(PhysOrg.com) -- A team of planet hunters led by astronomers at the University of California, Santa Cruz, and the Carnegie Institution of Washington has announced the discovery of an Earth-sized planet (three times the mass ...

First Solid Evidence for a Rocky Exoplanet (w/ Video)

(PhysOrg.com) -- The longest set of HARPS measurements ever made has firmly established the nature of the smallest and fastest-orbiting exoplanet known, CoRoT-7b, revealing its mass as five times that of Earth's. Combined ...

Massive planet is being torn apart by its own tides

(PhysOrg.com) -- An international group of astrophysicists has determined that a massive planet outside our Solar System is being distorted and destroyed by its host star--a finding that helps explain the unexpectedly large ...

Asteroid found in gravitational 'dead zone'

There are places in space where the gravitational tug between a planet and the Sun balance out, allowing other smaller bodies to remain stable. These places are called Lagrangian points. So-called Trojan asteroids have been ...

Cassini to make a double play

(PhysOrg.com) -- In an action-packed day and a half, NASA's Cassini spacecraft will be making its closest swoop over the surface of Saturn's moon Dione and scrutinizing the atmosphere of Titan, Saturn's largest moon.

Cosmic quiver: Saturn's vibrations create spirals in rings

(Phys.org) —Astronomers know that gravity from Saturn's various moons tug at the planet's rings and make spirals in them. But the catalyst for certain spiral patterns has been difficult to pin down. Now, two Cornell astronomers ...

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