IRON AND ICE

News About Asteroids And Comets

2,240 articles

Bright areas on Ceres come from salty water below
Aug 12, 2020 (JPL)
Scientists had figured out that the bright areas were deposits made mostly of sodium carbonate - a compound of sodium, carbon, and oxygen. They likely came from...
Surrey academics develop a new method to determine the origin of stardust in meteorites
Aug 12, 2020 (SPX)
Meteorites are critical to understanding the beginning of our solar system and how it has evolved over time. However, some meteorites contain grains of stardust...
Dwarf planet Ceres is an ocean world: study
Aug 10, 2020 (AFP)
Ceres is the largest object in the asteroid belt between Mars and Jupiter and has its own gravity, enabling the NASA Dawn spacecraft to capture high-resolution ...
Iron-rich meteorites show record of core crystallization in system's oldest planetesimals
Aug 07, 2020 (SPX)
Many of the meteorites that shot through our planet's atmosphere and crashed on its surface were once part of larger objects that broke up at some point in our ...
NASA's Lucy mission passes critical mission milestone
Aug 07, 2020 (SPX)
The Systems Integration Review ensured segments, components, and subsystems, scientific instrumentation, electrical and communication systems, and navigation sy...
OSIRIS-REx is one rehearsal away from touching Asteroid Bennu
Aug 07, 2020 (SPX)
On Aug. 11, the mission will perform its "Matchpoint" rehearsal - the second practice run of the Touch-and-Go (TAG) sample collection event. The rehearsal will ...
Fragments of asteroids may have jumped the Jupiter Gap
Aug 07, 2020 (SPX)
About 1 million years after the start of the solar system, it is thought that while Jupiter's core formed, it created a gap in the protoplanetary disk (the disk...
Scientists Find Two Meteorites in Two Weeks
Aug 03, 2020 (SPX)
Both falls were captured by The Desert Fireball Network (DFN) team which uses cameras across Australia to observe shooting stars and predict where meteorites la...
How stony-iron meteorites form
Jul 30, 2020 (SPX)
"Pallasites are the optically most beautiful and unusual meteorites," says Dr. Nicolas Walte, the first author of the study, in an enthusiastic voice. They belo...
New technique enables mineral ID of precious Antarctic micrometeorites
Jul 29, 2020 (SPX)
Some 40,000 tons of micrometeorites, less than a millimeter in diameter, bombard the earth every year. Analyzing the composition of this type of cosmic dust can...
An origin story for a family of oddball meteorites
Jul 27, 2020 (SPX)
But a family of meteorites has befuddled researchers since its discovery in the 1960s. The diverse fragments, found all over the world, seem to have broken off ...
Earth, moon were bombarded by asteroid shower 800 million years ago
Jul 21, 2020 (UPI)
Roughly 65.5 million years ago, a massive asteroid struck the Yucatan Peninsula. The violence of the Chicxulub impact is credited with triggering the mass extin...
A population of asteroids of interstellar origin inhabits the Solar System
Jul 17, 2020 (SPX)
An article on the study titled "An interstellar origin for high-inclination Centaurs" is published in the Royal Astronomical Society's Monthly Notices. The stud...
Germany's largest ever stony meteorite found in Blaubeuren
Jul 17, 2020 (SPX)
He held a magnet to the rock and confirmed that it contained iron. The angular boulder was then left lying in the garden for decades. Only 31 years later did it...
Objects in the night
Jul 17, 2020 (ESA)
Taken at dawn, the picture is a composition of 17 stacked images exposed every 2.5 seconds to form the skyline. Comet C/2020 F3 NEOWISE is named after NASA's Ne...
Carbon found in comet ATLAS helps reveal ages of other comets
Jul 16, 2020 (SPX)
The proof is their study of the comet ATLAS (C/2019 Y4) approaching the Earth in May 2020 and disintegrated with displaying a major outbreak of the carbonaceous...
Mapping the Solar System: From the Moon to Bennu
Jul 16, 2020 (SPX)
The team stitched together 2,155 images - containing pixels that translate to two square inches on the surface - to create the Bennu Global Mosaic. "This is the...
Capsule of Japan's Hayabusa2 asteroid probe to land in Australia on Dec 6
Jul 16, 2020 (Sputnik)
"The statement acknowledges that the capsule of 'Hayabusa2' containing the asteroid samples will land in South Australia on 6 December 2020. JAXA and the Agency...
Designing better asteroid explorers
Jul 15, 2020 (SPX)
Missions like the OSIRIS-REx mission to Asteroid Bennu and the Hyabusa II mission to Ryugu, are often conducted by robotic explorers that send images back to Ea...
Parker Solar Probe spies Comet NEOWISE
Jul 13, 2020 (SPX)
The comet was discovered by NASA's Near-Earth Object Wide-field Infrared Survey Explorer, or NEOWISE, on March 27. Since then, the comet - called comet C/2020 F...
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