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... cosmic recycling program," said Bill Danchi, WISE program scientist at NASA Headquarters in Washington. "Evolved stars, which this one appears to be, contribute about 50 percent of the particles that make ... space and ground-based telescopes to confirm its nature and to better understand how older stars recycle dust back into the cosmos. NASA's Jet Propulsion Laboratory (JPL), Pasadena, Calif., manages ...

... a host of high-energy objects in our universe, including the remains of exploded stars; compact, dead stars; and clusters of galaxies. The mission's observations, in coordination with other telescopes such ... Planet Formation at the University of Copenhagen, studied the elemental composition of more than 150 stars harboring 226 planet candidates smaller than Neptune. "I wanted to investigate whether small planets needed ... helium as metals. They define metallicity is the metal content of heavier elements in a star. Stars with a higher fraction of heavy elements than the sun are considered metal-rich ...

... only provided "snapshots" in time, however, leaving the overall relationship of active galactic nuclei and star formation unclear, especially over the cosmic history of galaxy formation. "To understand how active galactic ... Chandra X-ray Observatory. At lower intensities, the black holes' brightness and star formation increased in sync. However, star formation dropped off in galaxies with the most energetic central black holes. Astronomers ...

... for other government and commercial customers. ''RELEASE: 12-322 FIRST PLANETS FOUND AROUND SUN-LIKE STARS IN A CLUSTER'' WASHINGTON -- NASA-funded astronomers have, for the first time, spotted planets orbiting sun-like stars in a crowded cluster of stars. The findings offer the best evidence yet planets can sprout up in dense ...

... working with them. What was that transition like for you? '''Chrétien:''' Of course, we knew Star City a little bit before definitely arriving, because during the selection we had to go ... . '''Chrétien:''' Yes, it was interesting. '''Butler:''' So was she able to come with you to Star City when you went this time? '''Chrétien:''' Yes, yes. Oh, yes, she could tell you ... . So the country was changing very quickly, very fast. The rest was the same. The Star City ambience, the tools, the training was exactly the same conditions. Longer, we spent more ...

... /about/centerdirector.html -end- ''RELEASE: 10-276'' ''NASA'S KEPLER SPACECRAFT TAKES PULSE OF DISTANT STARS'' WASHINGTON -- An international cadre of scientists that used data from NASA's Kepler spacecraft announced ... the unparalleled data provided by Kepler, KASC scientists are quite literally revolutionizing our understanding of stars and their structures, said Douglas Hudgins, Kepler Program Scientist at NASA Headquarters in Washington. What ...

... NASA's first mission capable of detecting Earth-size planets around stars like our sun. Orbiting its star every 122 days, Kepler-62e was the first of these habitable zone planets identified ... in the brightness of the starlight reveals the transiting planet's size relative to its star. Using the transit method, Kepler has detected 2,740 candidates. Using various analysis techniques, ground ... Kepler continues to observe, transit signals of habitable zone planets the size of Earth orbiting stars like the sun will begin to emerge. Ames is responsible for Kepler's ground system ...

... of the starlight that reveals the transiting planet's size relative to its star. The size of the star must be known in order to measure the planet's size accurately. To ... interior structure of Earth. The science is called asteroseismology. The sound waves travel into the star and bring information back up to the surface. The waves cause oscillations that Kepler observes as a rapid flickering of the star's brightness. Like bells in a steeple, small stars ring at high tones while larger stars boom in lower tones. The barely discernible, high ...

... . The hero of this Chandra movie is the Vela pulsar, a neutron star that was formed when a massive star collapsed. The Vela pulsar is about 1,000 light-years from Earth ... make public data to support the search for and characterization of exoplanets and their host stars. Ames manages Kepler's ground system development, mission operations and science data analysis. NASA's ... Kepler, which uses transit photometry to determine the frequency and kinds of planets around other stars. This is a commendable recognition for Bill Borucki and the Kepler mission, said John Grunsfeld ...

... today. There are about 10 red dwarfs for every star like our sun. Red dwarfs are less massive than other stars. Because lower-mass stars tend to have smaller planets, red dwarfs are ... . Astronomers will measure the mass by examining images of each of the background stars to see how far the stars are offset from their real positions in the sky. The offsets are ... not very bright at such higher energies, and provides a clearer picture of the hottest stars and star-formation regions. No telescope other than UVOT can produce such high-resolution wide-field ...

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