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Closest Single Star Like Our Sun May Have Habitable Planet
December 19, 2012 — An international team of astronomers has discovered that Tau Ceti, one of the closest and most Sun-like stars, may host five planets -- with one in the star's habitable ... > full story -
From Cassini for the Holidays: Backlit View of Saturn and Its Rings
December 18, 2012 — Just in time for the holidays, NASA's Cassini spacecraft, in orbit around Saturn for more than eight years now, has delivered another glorious, backlit view of the planet Saturn and its ... > full story -
From Super to Ultra: Just How Big Can Black Holes Get?
December 18, 2012 — Some of the biggest black holes in the Universe may actually be even bigger than previously thought, according to a study using data from NASA's Chandra X-ray ... > full story -
'Gusty Winds' in Space Turbulence: First Direct Measurement of Its Kind in the Lab
December 17, 2012 — Imagine riding in an airplane as the plane is jolted back and forth by gusts of wind that you can't prove exist but are there nonetheless. Similar turbulence exists in space, and a research team has ... > full story -
How White Dwarfs Mimic Black Holes
December 17, 2012 — Astronomers have revealed that bright X-ray flares in nearby galaxies, once assumed to indicate the presence of black holes, can in fact be produced by white dwarfs. They made the discovery by ... > full story -
Exploding Star Missing from Formation of Solar System
December 17, 2012 — A new study challenges the notion that the force of an exploding star forced the formation of the solar ... > full story -
Venus Transit and Lunar Mirror Could Help Astronomers Find Worlds Around Other Stars
December 13, 2012 — On June 6, 2012, Venus passed directly between Earth and the sun, in a so-called transit where the planet appears as a silhouette against the solar disk, something that will not happen again until ... > full story -
Mars Rover Curiosity Can Be Positioned With Eclipses
December 13, 2012 — Observations from NASA's Mars rover Curiosity when Mars' moon Phobos crosses in front of the sun, like in September, help us to understand exactly where the rover is on the red planet. Researchers in ... > full story -
Mariner 2's Encounter With Venus: NASA Celebrates 50 Years of Planetary Exploration
December 12, 2012 — Fifty years ago on a mid-December day, NASA's Mariner 2 spacecraft sailed close to the shrouded planet Venus, marking the first time any spacecraft had ever successfully made a close-up study of ... > full story -
NASA's EUNIS Mission: Six Minutes in the Life of the Sun
December 11, 2012 — In December, a NASA mission to study the sun will make its third launch into space for a six-minute flight to gather information about the way material roils through the sun's atmosphere, sometimes ... > full story
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