12 May 2021
Scientists discover liquid water inside a meteorite
...pieces were recovered, its fragments are from a type of meteorite known as a carbonaceous chondrite or C chondrites. These specimens make up less than 5 percent of the chondrites that fall on Earth and represent some of the most pristine matter known...
22 December 2021
Scientists present the first-ever analysis of samples retrieved from Ryugu
... (CAIs) and chondrules. CAIs are found in carbonaceous chondrite meteorites and contain high-temperature minerals. They are ... finding indicates “that Ryugu is most similar to CI chondrites but has lower albedo, higher porosity and more fragile ...
16 March 2020
Porous nature of Ryugu suggests formation from fluffy particles, new study says
... team. Some of the boulders that are colder during the day, correspond to dense boulders similar to typical carbonaceous chondrites, add Okada and colleagues. All of this points to Ryugu being an ancient loosely packed rubble pile asteroid...
January 2020
Small body missions unveil interplanetary secrets
... from our study of meteorites gathered from around the world is that there is a class of small bodies known as carbonaceous chondrites that contain a significant amount of water, organic molecules and other volatile compounds that could have ‘seeded...
09 May 2016
Ancient silicate grains reveal histories of stardust in the Galaxy
... Nguyen. The team conclude that the grains, selected from a uniquely primitive carbonaceous chondrite from the Sahara (Acfer 094) and the CR chondrite Queen Alexandra Range 99177, formed under a similar range of conditions, as a systematic difference...
29 January 2020
Material older than the Sun found unexpectedly where it shouldn't be
... small, rounded particles embedded in most stony meteorites called chondrites. But a new study by researchers at Washington University...encompassed within the Allende meteorite – the largest carbonaceous chondrite ever found on Earth. The meteorite has...
