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Fri, 24 Oct 2014 20:05:54 EDT
NASA identifies ice cloud above cruising altitude on Titan
NASA scientists have identified an unexpected high-altitude methane ice cloud on Saturn's moon Titan that is similar to exotic clouds found far above Earth's poles.
Fri, 24 Oct 2014 20:02:49 EDT
NASA's Fermi satellite finds hints of starquakes in magnetar 'storm'
NASA's Fermi Gamma-ray Space Telescope detected a rapid-fire "storm" of high-energy blasts from a highly magnetized neutron star, also called a magnetar, on Jan. 22, 2009. Now astronomers analyzing this data have discovered underlying signals related to seismic waves rippling throughout the magnetar.
Fri, 24 Oct 2014 19:59:37 EDT
Illusions in the cosmic clouds: New image of spinning neutron star
Pareidolia is the psychological phenomenon where people see recognizable shapes in clouds, rock formations, or otherwise unrelated objects or data. There are many examples of this phenomenon on Earth and in space.
Fri, 24 Oct 2014 19:57:10 EDT
MAVEN ultraviolet image of comet Siding Spring's hydrogen coma
NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft obtained this ultraviolet image of hydrogen surrounding comet C/2013 A1 Siding Spring on Oct. 17, 2014, two days before the comet's closest approach to Mars. The Imaging Ultraviolet Spectrograph (IUVS) instrument imaged the comet at a distance of 5.3 million miles (8.5 million kilometers).
Fri, 24 Oct 2014 19:54:11 EDT
Mars Orbiter's spectrometer shows Oort comet's coma
The Compact Imaging Spectrometer for Mars (CRISM) observed comet C/2013 A1 Siding Spring as the comet sped close to Mars on Oct. 19. CRISM recorded imaging data in 107 different wavelengths, showing the inner part of the cloud of dust, called the coma, surrounding the comet's nucleus.
Fri, 24 Oct 2014 19:51:58 EDT
Galactic wheel of life shines in infrared
It might look like a spoked wheel or even a "Chakram" weapon wielded by warriors like "Xena," from the fictional TV show, but this ringed galaxy is actually a vast place of stellar life. A newly released image from NASA's Spitzer Space Telescope shows the galaxy NGC 1291. Though the galaxy is quite old, roughly 12 billion years, it is marked by an unusual ring where newborn stars are igniting.
Fri, 24 Oct 2014 19:25:07 EDT
NASA creating a virtual telescope with two small spacecraft
Although scientists have flown two spacecraft in formation, no one ever has aligned the spacecraft with a specific astronomical target and then held that configuration to make a scientific observation -- creating, in effect, a single or "virtual" telescope with two distinctly different satellites.
Fri, 24 Oct 2014 17:10:20 EDT
NASA's SDO observes largest sunspot of the solar cycle
On Oct. 18, 2014, a sunspot rotated over the left side of the sun, and soon grew to be the largest active region seen in the current solar cycle, which began in 2008. Currently, the sunspot is almost 80,000 miles across -- ten Earth's could be laid across its diameter.
Fri, 24 Oct 2014 14:48:22 EDT
Australian doctors transplants first circulatory death human heart
The St Vincent's Hospital Heart Lung Transplant Unit has carried out the world's first distant procurement of hearts donated after circulatory death (DCD). These hearts were subsequently resuscitated and then successfully transplanted into patients with end-stage heart failure.
Fri, 24 Oct 2014 11:19:17 EDT
Li-ion batteries contain toxic halogens, but environmentally friendly alternatives exist
Physics researchers have discovered that most of the electrolytes used in lithium-ion batteries -- commonly found in consumer electronic devices -- are superhalogens, and that the vast majority of these electrolytes contain toxic halogens.
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