Space
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Astronomy
Spooky Sounds of Saturn
For Hallowe’en, tune in to eerie, bizarre sounds from the Saturnian system. These NASA Jet Propulsion Lab Web pages provide sound files based on magnetometer data from Cassini spacecraft observations of Saturn’s moon Enceladus, radar echoes from Titan’s surface, Saturn’s radio emissions, and more. Go to: http://saturn.jpl.nasa.gov/multimedia/sounds/
By Science News -
Planetary Science
Shoreline for Titan?
New radar images of Saturn's smog-shrouded moon Titan show evidence of a shoreline cutting across the moon's southern hemisphere.
By Ron Cowen -
Planetary Science
’10th planet’ has a partner
The so-called 10th planet, an object larger than Pluto that ranks as the most distant body known in the solar system, has a moon.
By Ron Cowen -
Planetary Science
Mining the moon
New ultraviolet images of the moon help identify the presence of ilmenite, a titanium oxide whose elemental constituents may be a valuable resource for sustaining humans as they explore the lunar surface.
By Ron Cowen -
Planetary Science
Mission to the outer limits
NASA's New Horizons spacecraft has taken up temporary residence at the Kennedy Space Center, where engineers are doing final testing before the craft begins its 9-year voyage to the outer solar system.
By Ron Cowen -
Planetary Science
Saturnian sponge
The first close-up portrait of Saturn's icy moon Hyperion reveals a spongy-looking surface unlike that of any other known moon.
By Ron Cowen -
Planetary Science
What whacked the inner solar system?
Planetary scientists have determined that the cavalcade of space debris that hammered the inner solar system for the first 700 million years of its existence were main-belt asteroids, not comets.
By Ron Cowen -
Astronomy
Crisis in the Cosmos?
Baby galaxies that hail from the early history of the cosmos but are full of old stars and are nearly as massive as the Milky Way is today may challenge the standard theory of galaxy formation.
By Ron Cowen -
Astronomy
Cosmic Ray Font: Supernova remnants rev up ions
High-resolution X-ray images of the Tycho supernova remnant offer new evidence that supernova shock waves generate most cosmic rays that bombard Earth.
By Ron Cowen -
Planetary Science
Sun grazers: A thousand comets and counting
An amateur astronomer analyzing images from the Solar and Heliospheric Observatory has found the 999th and 1,000th comets detected by the craft.
By Ron Cowen -
Planetary Science
Fresh Mars: Craft views new gullies, craters, and landslides
A comparison of images taken just a few years apart by a Mars orbiting spacecraft reveals recent landslides, freshly carved gullies, and a 20-meter-wide crater gouged in the planet's surface no earlier than 25 years ago.
By Ron Cowen -
Planetary Science
Icy world found inside asteroid
New observations of Ceres, the largest known asteroid, hint that frozen water may account for as much as 25 percent of its interior.
By Ron Cowen