Extrasolar Planets

25% of Sun-Like Stars Could Host Earth-Sized Worlds

[/caption] A five-year survey of nearby solar-mass stars has provided astronomers with an estimate of how many stars of this…

14 years ago

The Hunt for Young Exoplanets

While there is a great deal of excitement and effort in the hopes of finding small, terrestrial sized exoplanets, another…

14 years ago

The Tug of Exoplanets on Exoplanets

Earlier this year, I wrote about how an apparent change in the orbital characteristics of a planet around TrES-2b may…

14 years ago

The Habitability of Gliese 581d

The Gliese 581 system has been making headlines recently for the most newly announced planet that may lie in the…

14 years ago

Could Chance for Life on Gliese 581g Actually Be “100%”?

[/caption] The announcement yesterday of the discovery of the closest Earth-sized planet found so far that also exists in the…

14 years ago

New Earth-sized Exoplanet is in Star’s Habitable Zone

[/caption] An enticing new extrasolar planet found using the Keck Observatory in Hawaii is just three times the mass of…

14 years ago

An Alien’s View of Our Solar System

We have just begun to try and image distant solar systems around other stars, and hopefully our techniques and technology…

14 years ago

Electric Resistance May Make Hot Jupiters Puffy

One of the surprises coming from the discoveries of the class of exoplanets known as "Hot Jupiters" is that they…

14 years ago

Scientists Predict Earth-Like Habitable Exoplanet Will Be Found in 2011

[/caption] Two astronomers have written a paper and say that the first Earth-like, habitable exoplanet will be announced in May…

14 years ago

Kepler Discovers Multi-Planet System

[/caption] The Kepler mission has discovered a system of two Saturn size planets with perhaps a third planet that is…

14 years ago