IRON AND ICE

News About Asteroids And Comets

2,240 articles

AIMing a light across millions of kilometres
Oct 15, 2015 (ESA)
Imagine beaming a light across millions of kilometres of empty space, all the way back to Earth. ESA's proposed Asteroid Impact Mission is intended to do just t...
What smacks into Ceres stays on Ceres
Oct 15, 2015 (SPX)
A new set of high-velocity impact experiments suggests that the dwarf planet Ceres may be something of a cosmic dartboard: Projectiles that slam into it tend to...
SwRI-led study finds comet tail may shed light on solar wind heating
Oct 14, 2015 (SPX)
We can't see the wind, but we can learn about it by observing things that are being blown about. And by studying changes in a comet's bright tail of gas and ion...
Comet Encke: A solar windsock observed by NASA's STEREO
Oct 14, 2015 (SPX)
Much like the flapping of a windsock displays the quick changes in wind's speed and direction, called turbulence, comet tails can be used as probes of the solar...
SwRI awarded NASA contract to develop Jupiter Trojan asteroid mission
Oct 05, 2015 (SPX)
A Southwest Research Institute proposal to study primitive asteroids orbiting near Jupiter that could give insights into the origins of the solar system is one ...
Rosetta's First Peek at the Comet's Dark Side
Oct 05, 2015 (ESA)
Since its arrival at comet 67P/Churyumov-Gerasimenko, the European Space Agency's Rosetta spacecraft has been surveying the surface and the environment of this ...
AIDA Double Mission to Divert Didymos Asteroid's Didymoon
Oct 02, 2015 (ESA)
An ambitious joint US-European mission, called AIDA, is being planned to divert the orbit of a binary asteroid's small moon, as well as to give us new insights ...
Dawn Turns Eight
Oct 02, 2015 (JPL)
Eight years ago today, Dawn was gravitationally bound to a planet. It was conceived and built there by creatures curious and bold, with an insatiable yearning t...
Dawn Team Shares New Maps and Insights about Ceres
Oct 02, 2015 (JPL)
Mysteries and insights about Ceres are being discussed this week at the European Planetary Science Conference in Nantes, France. NASA's Dawn spacecraft is provi...
ASU-led partnership engages citizens in NASA's Asteroid Initiative
Oct 01, 2015 (SPX)
How can humans best protect the Earth from a potentially devastating asteroid impact? Could our ability to study an asteroid assist with both planetary defense ...
How Rosetta's comet got its shape
Sep 29, 2015 (ESA)
Two comets collided at low speed in the early Solar System to give rise to the distinctive 'rubber duck' shape of Comet 67P/Churyumov-Gerasimenko, say Rosetta s...
Impact produced comet's rubber duck shape: study
Sep 28, 2015 (AFP)
The characteristic "rubber duck" shape of the comet carrying a European robot probe through space was the result of a low-velocity impact billions of years ago ...
Rosetta reveals comet's water-ice cycle
Sep 25, 2015 (ESA)
ESA's Rosetta spacecraft has provided evidence for a daily water-ice cycle on and near the surface of comets. Comets are celestial bodies comprising a mixture o...
New Space Mining Tech Could Be Game-Changer for Interstellar Travel
Sep 22, 2015 (Sputnik)
NASA researchers have come up with a seemingly simple - and extremely potent - idea: "optical mining," through which the water contained within millions of aste...
Solar Observatory discovers its 3,000th comet
Sep 16, 2015 (SPX)
On Sept. 13, 2015, the Solar and Heliospheric Observatory - a joint project of the European Space Agency and NASA - discovered its 3,000th comet, cementing its ...
Ceres' Bright Spots Seen in Striking New Detail
Sep 10, 2015 (JPL)
The brightest spots on the dwarf planet Ceres gleam with mystery in new views delivered by NASA's Dawn spacecraft. These closest-yet views of Occator crater, wi...
Comet Hitchhiker Would Take Tour of Small Bodies
Sep 02, 2015 (JPL)
Catching a ride from one solar system body to another isn't easy. You have to figure out how to land your spacecraft safely and then get it on its way to the ne...
Dawn Sends Sharper Scenes from Ceres
Aug 26, 2015 (JPL)
The closest-yet views of Ceres, delivered by NASA's Dawn spacecraft, show the small world's features in unprecedented detail, including Ceres' tall, conical mou...
UA Cameras Give Sight to NASA's OSIRIS-REx Mission
Aug 25, 2015 (SPX)
From over 2 million kilometers away, a powerful camera on NASA's Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-R...
Rosetta hits 'milestone' in comet's run past Sun
Aug 14, 2015 (AFP)
The European space probe Rosetta captured a range of scientific data Thursday as it trailed an ancient comet past the Sun which could help scientists better und...
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