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Just How Earth-Like is the Newest Planet?
Topic: New Planets
06/15/05
In the land rush known as extrasolar planet hunting, the most prized real estate is advertised as "Earth-like." On Monday, June 13, scientists raced to plant their flag on a burning hunk of rock orbiting a red star.

Super-Earth Sought and Found
Topic: New Planets
06/13/05
Taking a major step forward in the search for Earth-like planets beyond our own solar system, a team of astronomers has announced the discovery of the smallest extrasolar planet yet detected.

Backyard Astronomers Discover Planet
Topic: New Planets
05/26/05
An international collaboration featuring Ohio State University astronomers has detected a planet in a solar system that, at roughly 15,000 light years from Earth, is one of the most distant ever discovered.

Clues to Molding Planets
Topic: New Planets
05/23/05
The detailed measurements of dusty disks around young stars confirm a new theory that the region where rocky planets such as Earth form is much farther away from the star than originally thought. These definitive measurements of planet-forming zones offer important clues to initial conditions that give birth to planets.

First Light from Faraway Planet
Topic: New Planets
04/30/05
An international team of astronomers reports today confirmation of the discovery of a giant planet, approximately five times the mass of Jupiter, that is gravitationally bound to a young brown dwarf. This topic has spawned a year long discussion on the nature of this object.

Questioning Terrestrial Planets
Topic: New Planets
04/27/05
Looking for biosignatures that would be characteristic of intelligent life is not always about extrapolating the most intelligent things a species might be doing. For instance, would one look for pollutants in the atmosphere?

Crunching the Numbers
Topic: New Planets
04/18/05
Maggie Turnbull, an astronomer with the Carnegie Institution, has spent many years thinking about what kind of stars could harbor Earth-like planets. Her database of potentially habitable star systems could be used as a target list for NASA's forthcoming Terrestrial Planet Finder (TPF) mission.

Explaining Eccentricities
Topic: New Planets
04/15/05
When astronomers discovered that the planets around Upsilon Andromedae had very strange orbits, they weren't sure what could have caused it. Researchers from Berkeley and Northwestern have developed a simulation that shows how an additional planet could have given the other planets the orbital kick.

The Wolf: New Planet or Brown Dwarf Star?
Topic: New Planets
04/12/05
Located in the Lupus I (the Wolf) cloud, a region of star formation about 400 or 500 light-years away, a young T-Tauri star may be either a new planet or a failed star. Although the borderline between the two is still a matter of debate, one way to distinguish between the two is by their mass.

Surfing the Wavelengths
Topic: New Planets
04/11/05
Maggie Turnbull, an astronomer with the Carnegie Institution, has spent many years thinking about what kind of stars could harbor Earth-like planets. Her database of potentially habitable star systems could be used as a target list for NASA's upcoming Terrestrial Planet Finder (TPF) mission.

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