Astronomy
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Planetary Science
Rosetta spacecraft sees possible ‘double’ comet
The comet 67P/Churyumov-Gerasimenko may actually be two objects stitched together.
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Astronomy
Voyager may not have entered interstellar space, after all
Two scientists argue that Voyager 1 space probe is still in solar bubble, despite NASA’s announcements to the contrary.
By Andrew Grant -
Physics
Diamonds under pressure impersonate exoplanet cores
Scientists use lasers at the National Ignition Facility to squeeze diamonds to the extreme pressures found inside massive exoplanets.
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Astronomy
Supernova rapidly creates dust between stars
Astronomers watch a shell of dust form within weeks of a star’s explosion.
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Astronomy
Rare planet circles just one of a pair of stars
A newly discovered exoplanet orbits one star in a binary pair and shows that planets can form even with a second sun nearby.
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Astronomy
Young stars vibrate faster as they age
Stellar pulsations provide a new way to gauge ages of infant stars.
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Astronomy
Exoplanets once trumpeted as life-friendly may not exist
Two exoplanets considered among the most promising for hosting life may not exist, a new study suggests.
By Andrew Grant -
Astronomy
Magnetic bubbles could shield astronauts from radiation
With help from plasma and a magnet, solar storms' dangers would lessen on long space trips.
By Meghan Rosen -
Astronomy
NASA unveils space suit fit for Mars
NASA’s newly revealed Z-2 space suit is the second mock-up of a suit that NASA hopes will eventually protect explorers walking on Mars or drilling into an asteroid.
By Andrew Grant -
Astronomy
Star-eating star spotted
The first Thorne-Żytkow Object, a strange pair of stars where one engulfs the other, has been discovered.