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- 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.
- 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.
- 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.
- 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).
- 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.
- 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.
- NASA ultra-black nano-coating to be applied to 3-D new solar coronagraph
An emerging super-black nanotechnology that is to be tested for the first time this fall on the International Space Station will be applied to a complex, 3-D component critical for suppressing stray light in a new, smaller, less-expensive solar coronagraph designed to ultimately fly on the orbiting outpost or as a hosted payload on a commercial satellite.
- Mass gaging system will measure fuel transfer in zero gravity
Transfer of super-cooled or cryogenic fuel from one tank to another in the zero gravity of space may one day be a reality. But the challenges of measuring fuels and fuel levels in the weightlessness of space must be solved first. A newly developed sensor technology that will be tested on the early suborbital flights of Virgin Galactic's SpaceShipTwo in 2015.
- 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.
- 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.