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Temperature Says... Toasty!
Topic: New Planets
03/01/06
A NASA-led team of astronomers have used NASA's Spitzer Space Telescope to detect a strong flow of heat radiation from a toasty planet orbiting a nearby star. The findings allowed the team to "take the temperature" of the planet.

Normal Star, Smallest New Planet
Topic: New Planets
01/26/06
Using an armada of telescopes, an international team of astronomers has found the smallest planet ever detected around a normal star outside our solar system.

ET: The Exoplanet Tracker
Topic: New Planets
01/12/06
Astronomers have discovered a planet orbiting a very young star nearly 100 light years away using a relatively small, publicly accessible telescope turbocharged with a new planet-finding instrument.

Triple Sunsets
Topic: New Planets
07/16/05
A NASA-funded astronomer has discovered a world where the sun sets over the horizon, followed by a second sun and then a third. The new planet, called HD 188753 Ab, is the first known to reside in a classic triple-star system.

A New Class of Planet?
Topic: New Planets
07/13/05
Last August, two groups of scientists announced the discovery of the smallest extrasolar planets found to date. But just what are these Neptune-size worlds? Are they gas giants, ice giants, or oversized Earths? Astronomer Alan Boss examines the possibilities.

The One-and-a-Half Percent Solution
Topic: New Planets
07/11/05
In the past decade, more than 130 extrasolar planets have been discovered. Almost all have been found using a technique that measures tiny changes in a star's radial velocity, the speed of its motion relative to Earth. Astronomer Alan Boss tells the story how the first of these discoveries came about.

The Barnard's Star Blunder
Topic: New Planets
07/06/05
The existence of extrasolar planets has become common knowledge in the past decade. But in the mid-20th Century, the search for worlds orbiting other stars got off to a rocky start. Alan Boss, an astronomer with the Carnegie Institution of Washington, recounts the early days of extrasolar planet-hunting.

New Planet, Largest Solid Core
Topic: New Planets
07/01/05
NASA researchers recently discovered the largest solid core ever found in an extrasolar planet, and their discovery confirms a planet formation theory.

Planetary Rubble No Trouble
Topic: New Planets
06/25/05
Interstellar travelers might want to detour around the star system TW Hydrae to avoid a messy planetary construction site. Astronomer David Wilner of the Harvard-Smithsonian Center for Astrophysics and his colleagues discovered the gaseous protoplanetary disk surrounding TW Hydrae holds vast swaths of pebbles.

Off-Center Optimism for a Planet
Topic: New Planets
06/23/05
A dust ring around the bright star Fomalhaut is off-center, suggesting a planet may be orbiting the star. Visible images taken by the Hubble Space Telescope show details of this dust ring staring back at us from space.

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