Magnetic interactions between stellar wind and the planet likely caused extrasolar space weather.
stars
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Exoplanets May Support Life in the Terminator Zone
A new study finds that the intersection between a searing dayside and a freezing nightside could be habitable.
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Complex Organic Ices Discovered in a Star-Forming Cloud
The presence of complex organic molecules such as methanol, ethanol, and acetaldehyde in a molecular cloud suggests that these and simpler ices might be available to planetary systems right from the start.
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“Hot Jupiter” Is in a Possible Death Spiral
Kepler’s first exoplanet is migrating toward its star, an evolved subgiant that is much bigger than first thought.
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Massive Stars May Commit Grand Theft Planet
New simulations show that planets around young, massive stars may have been captured or stolen rather than homegrown.
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Shake, Rattle, and Probe
Helioseismology allows scientists to study the interior of the Sun, solve some basic physics mysteries, and forecast space weather.
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Pulsar Planets Are Exceedingly Rare
A new survey of hundreds of pulsars could help solve the mystery of why planets exist around these dead stars.
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Coronal Dimmings Shine Light on Stellar CMEs
Coronal mass ejections from stars have eluded easy observation, so scientists are looking at what’s left behind.
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Exoplanets in the Shadows
The bright clutter of individual discoveries can overshadow some fascinating research, from necroplanetology to rogue planets to the intimacy of alphanumeric nomenclature.
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Thousands of Stars View Earth as a Transiting Exoplanet
Researchers have identified more than 2,000 stars whose past, present, or future vantage points afford a view of Earth passing directly in front of the Sun, a geometry useful for pinpointing planets.