ORCID Profile
0000-0002-1803-5098
Current Organisations
Rowan University
,
Rutgers University New Brunswick
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Publications
The dynamic geophysical environment of (101955) Bennu based on OSIRIS-REx measurements
Publisher: Springer Science and Business Media LLC
Date: 19-03-2019
Craters, boulders and regolith of (101955) Bennu indicative of an old and dynamic surface
Publisher: Springer Science and Business Media LLC
Date: 19-03-2019
Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites
Publisher: American Association for the Advancement of Science (AAAS)
Date: 24-02-2023
Abstract: Carbonaceous meteorites are thought to be fragments of C-type (carbonaceous) asteroids. S les of the C-type asteroid (162173) Ryugu were retrieved by the Hayabusa2 spacecraft. We measured the mineralogy and bulk chemical and isotopic compositions of Ryugu s les. The s les are mainly composed of materials similar to those of carbonaceous chondrite meteorites, particularly the CI (Ivuna-type) group. The s les consist predominantly of minerals formed in aqueous fluid on a parent planetesimal. The primary minerals were altered by fluids at a temperature of 37° ± 10°C, about 5.2 − 0.7 + 0.8 million (statistical) or 5.2 − 2.1 + 1.6 million (systematic) years after the formation of the first solids in the Solar System. After aqueous alteration, the Ryugu s les were likely never heated above ~100°C. The s les have a chemical composition that more closely resembles that of the Sun’s photosphere than other natural s les do.
Properties of rubble-pile asteroid (101955) Bennu from OSIRIS-REx imaging and thermal analysis
Publisher: Springer Science and Business Media LLC
Date: 19-03-2019
Pebbles and sand on asteroid (162173) Ryugu: In situ observation and particles returned to Earth
Publisher: American Association for the Advancement of Science (AAAS)
Date: 04-03-2022
Abstract: The Hayabusa2 spacecraft investigated the C-type (carbonaceous) asteroid (162173) Ryugu. The mission performed two landing operations to collect s les of surface and subsurface material, the latter exposed by an artificial impact. We present images of the second touchdown site, finding that ejecta from the impact crater was present at the s le location. Surface pebbles at both landing sites show morphological variations ranging from rugged to smooth, similar to Ryugu’s boulders, and shapes from quasi-spherical to flattened. The s les were returned to Earth on 6 December 2020. We describe the morphology of grams of returned pebbles and sand. Their erse color, shape, and structure are consistent with the observed materials of Ryugu we conclude that they are a representative s le of the asteroid.
First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu.
Publisher: American Association for the Advancement of Science (AAAS)
Date: 18-11-2022
Abstract: The Hayabusa2 spacecraft returned to Earth from the asteroid 162173 Ryugu on 6 December 2020. One day after the recovery, the gas species retained in the s le container were extracted and measured on-site and stored in gas collection bottles. The container gas consists of helium and neon with an extraterrestrial
Publisher Correction: Craters, boulders and regolith of (101955) Bennu indicative of an old and dynamic surface
Publisher: Springer Science and Business Media LLC
Date: 04-04-2019
Related Organisations
Related Funding Activities
No related grants have been discovered for Harold C Connolly Jr.