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Three Habitable Planets? Maybe
Two new studies highlight the growing importance of red dwarfs in the competitive search for alien worlds — and the challenges we face in finding them. When it's young, a red dwarf star frequently...
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Stars Spinning Beats
A phenomenon you usually hear can now be seen in stars' rotation, and it may help untangle the mysteries of their magnetic fields. The Sun observed in visible (left) and ultraviolet light (right)....
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Now Playing: Core Collapse in 3D
Rereleasing old movies converted to 3D may be all the rage these days, but here’s a star-studded 3D update worth waiting for: the core collapse of a supernova. This image from the team's simulation...
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Taming the “Zoo” of Neutron Stars
These stellar corpses have many faces, from pulsars to magnetars. New models provide evidence for unifying these disparate objects under one theory. In this illustration of a magnetar (roughly 20 km in...
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A Glassy Blue Jupiter
For the first time, astronomers know the true color of an exoplanet — and it appears an un-Earthly shade of blue. But don't pack your bags… An artist's illustration of HD 189733b, a blue gas giant....
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Wave at Saturn (But Will Cassini See You?)
Cassini is taking our picture on Friday, but how much light do we humans actually reflect? We've crunched the numbers, and the answer may surprise you. Taken on September 15, 2006, this Cassini mosaic...
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Under Stress, Asteroids May Be Fragile
A new microgravity experiment demonstrates the weird, unstable fluidity of asteroid surfaces, with potential consequences for visiting craft. Naomi Murdoch and Ben Rozitis float in microgravity aboard...
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Kepler KO’d; NASA Ponders New Purpose
The disabled space telescope's prolific planet-hunting run is officially over, as the team abandons efforts to salvage its full pointing ability and focuses on data analysis. Its next mission? Hunting...
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Old, Fat Stars Flicker
Observing the pattern of flickers in a star’s light offers a new way for astronomers to measure one of the basic properties of stars — and any exoplanets they might host. In this series of images of...
View ArticleComet ISON Preview (Video)
S&T senior editor Alan MacRobert tells you what you need to know to get ready for Comet ISON. When amateur astronomers discovered Comet ISON in September 2012, its unusual brightness caused some to...
View ArticleStars Spinning Beats
A phenomenon you usually hear can now be seen in stars' rotation, and it may help untangle the mysteries of their magnetic fields. The post Stars Spinning Beats appeared first on Sky & Telescope.
View ArticleOld, Fat Stars Flicker
Observing the pattern of flickers in a star’s light offers a new way for astronomers to measure one of the basic properties of stars — and any exoplanets they might host. The post Old, Fat Stars...
View ArticleComet ISON Preview (Video)
S&T senior editor Alan MacRobert tells you what you need to know to get ready for Comet ISON. The post Comet ISON Preview (Video) appeared first on Sky & Telescope.
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