... less massive than Uranus and Neptune (about 15 Earth masses).
The group of astronomers have now discovered a ... solar-like stars have either super-Earth or Neptune-like planets with orbital periods ...
... each time it passes in front of its star, we gain far more reliable information and have the ability to detect an Earth-mass moon around a Neptune-mass gas planet."
The appearance of wobbles in a ...
... are named for their size, but these planets - which range from about 2 to 10 Earth masses - could be superior to the Earth when it comes to sustaining life. They could also provide an answer to the ‘ ...
... slightly above 8 percent of a solar mass, which would make MOA-2007-BLG ... prediction that the first extra-solar Earth-mass planet will be found by microlensing," Bennett said. "But we'll have to be very ...
... models predicted a much smaller core of only 7 Earth masses, or no core at all.
The simulation suggests ... ball of iron and nickel, just like Earth's core.
"Our simulations show there is a big rocky ...
... diameter 3.8 times that of Earth and a mass 17 times Earth's, the new world (named HAT- ... large telescopes like Keck, astronomers can determine the mass of the planet.
A number of Neptune-like planets ...
... three stars. All our data so far is consistent with the transits being caused by a planet of a few Earth masses, though more data are needed for a precise mass estimate."
The discovery of CoRoT-Exo- ...
... of current exoplanet research is the detection of a rocky, Earth-like planet in the 'habitable zone' — a region around ... 3.15 days. "With only 1.9 Earth-masses, it is the least massive exoplanet ever ...
... old white dwarf stars (low-mass stars) in binary systems.
The supernova in question ... 50 times smaller than usual. This is the equivalent of converting several earth masses completely into energy.
... example, ice giant Neptune's 17 Earth masses, CoRoT-7b belongs to the category ... small exoplanet. The calculated density is close to Earth's, suggesting that the planet's composition is similarly rocky ...
... 28 planets known with masses below 20 Earth masses. As with the previously detected super- ... lava-covered world, with density similar to that of the Earth's (ESO 33/09).
"These observations have given ...
... -7c, it is another super-Earth exoplanet of about 8 Earth masses.
The accuracy of the CoRoT data is ... mission, a super CoRoT devoted to finding Earth-size and smaller exoplanets, was launched in March ...