IRON AND ICE

News About Asteroids And Comets

2,240 articles

Rosetta and Philae: Profile of comet-chasing team
Aug 06, 2014 (AFP)
Following is a profile of the Rosetta spacecraft, its payload Philae and the instruments they carry: ROSETTA The backbone of the Rosetta mission is a large unma...
Probe makes space history with rendezvous with comet
Aug 06, 2014 (AFP)
The space probe Rosetta made a historic rendezvous with a comet on Wednesday, climaxing a 10-year, six-billion-kilometre (3.7-billion-mile) chase through the So...
Rosetta Arrives At Comet 67P Churyumov-Gerasimenko
Aug 06, 2014 (ESA)
After a decade-long journey chasing its target, ESA's Rosetta has today become the first spacecraft to rendezvous with a comet, opening a new chapter in Solar S...
Dawn navigates mini-asteroid belt
Aug 06, 2014 (JPL)
Patient and persistent, silent and alone, Dawn is continuing its extraordinary extraterrestrial expedition. Flying through the main asteroid belt between Mars a...
How Rosetta arrives at a comet
Aug 05, 2014 (ESA)
After travelling nearly 6.4 billion kilometres through the Solar System, ESA's Rosetta is closing in on its target. But how does a spacecraft actually arrive at...
Comet-chaser nears prey after crossing billions of miles
Aug 03, 2014 (AFP)
After a decade-long quest spanning six billion kilometres (3.75 billion miles), a European probe will come face to face Wednesday with a comet, one of the Solar...
New NASA Research Shows Giant Asteroids Battered Early Earth
Aug 01, 2014 (NASA)
New research shows that more than four billion years ago the surface of Earth was heavily reprocessed - or melted, mixed, and buried - as a result of giant aste...
Surface impressions of Rosetta's comet
Jul 29, 2014 (JPL)
Surface structures are becoming visible in new images of comet 67P/Churyumov-Gerasimenko taken by the scientific imaging system OSIRIS onboard the European Spac...
NEOWISE Spots a Comet That Looked Like an Asteroid
Jul 28, 2014 (JPL)
Comet C/2013 UQ4 (Catalina) has been observed by NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) spacecraft just one day after passing th...
Comet ISON's Dramatic Final Hours
Jul 23, 2014 (ESA)
A new analysis of data from the ESA/NASA Solar and Heliospheric Observatory (SOHO) spacecraft has revealed that comet 2012/S1 (ISON) stopped producing dust and ...
Asteroid Vesta to reshape theories of planet formation
Jul 18, 2014 (SPX)
EPFL researchers have a better understanding of the asteroid Vesta and its internal structure, thanks to numerical simulations and data from the space mission D...
Probe is headed for duck-shaped comet, images show
Jul 17, 2014 (AFP)
New images reveal that the deep-space comet on which mankind plans to land a probe later this year, has an "extraordinarily irregular", duck-like shape, the Eur...
Deep in the main asteroid belt
Jul 09, 2014 (JPL)
Deep in the main asteroid belt, between Mars and Jupiter, far from Earth, far from the sun, far now even from the giant protoplanet Vesta that it orbited for 14...
Burning down to Rosetta comet rendezvous
Jul 09, 2014 (ESA)
It's burn week in space again, and Wednesday, 2 July, marks the start of a fresh set of four orbit correction manoeuvres (OCMs), referred to as the "Far Approac...
Comet Pan-STARRS Marches Across the Sky
Jul 04, 2014 (JPL)
NASA's NEOWISE mission captured a series of pictures of comet C/2012 K1 -- also known as comet Pan-STARRS -- as it swept across our skies in May 2014. The comet...
Rosetta's comet 'sweats' two glasses of water a second
Jul 01, 2014 (ESA)
ESA's Rosetta spacecraft has found that comet 67P/Churyumov-Gerasimenko is releasing the equivalent of two small glasses of water into space every second, even ...
Computing Paths to Asteroids Helps Find Future Exploration Opportunities
Jul 01, 2014 (JPL)
As left over building blocks of the solar system's formation, asteroids are of significant interest to scientists. Resources, especially water, embedded within ...
New NASA Model Gives Glimpse into the Invisible World of Electric Asteroids
Jun 30, 2014 (SPX)
Space may appear empty -- a soundless vacuum, but it's not an absolute void. It flows with electric activity that is not visible to our eyes. NASA is developing...
Distant comet 'sweats' two glasses of water per second
Jun 30, 2014 (AFP)
Unprecedented measurement of a deep-space comet has found the icy body to be losing about two small glasses of water every second, the European Space Agency (ES...
Spitzer Spies an Odd, Tiny Asteroid
Jun 26, 2014 (JPL)
Astronomers using NASA's Spitzer Space Telescope have measured the size of an asteroid candidate for NASA's Asteroid Redirect Mission (ARM), a proposed spacecra...
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