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- University of ArizonaUS255 papers
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- Center for Astrophysics Harvard & SmithsonianUS124 papers
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85 papers · 1 filter
Methodologies for 176Lu-176Hf Analysis of Zircon Grains from the Moon and Beyond
Xi Chen, Nicolas Dauphas, Zhe J. Zhang +6
Zircons are found in extraterrestrial rocks from the Moon, Mars, and some differentiated meteorite parent-bodies. These zircons are rare, often of small size, and have been affecte…
CHIMERA Occultation Constraints on the Abundance of Kilometer-scale Kuiper Belt Objects
Qicheng Zhang, Gregg W. Hallinan, Navtej S. Saini +3
Occultations provide indirect sensitivity to the number density of small Kuiper Belt objects (KBOs) too faint to directly detect telescopically. We present results from the Caltech…
Rotating convective turbulence in moderate to high Prandtl number fluids
Jewel A. Abbate, Jonathan M. Aurnou
Rotating convective turbulence is ubiquitously found across geophysical settings, such as surface and subsurface oceans, planetary atmospheres, molten metal planetary cores, magma…
Recurring Activity Discovered on Quasi-Hilda 2009 DQ118
William J. Oldroyd, Colin Orion Chandler, Chadwick A. Trujillo +10
We have discovered two epochs of activity on quasi-Hilda 2009 DQ118. Small bodies that display comet-like activity, such as active asteroids and active quasi-Hildas, are important…
Developing a Drift Rate Distribution for Technosignature Searches of Exoplanets
Megan G. Li, Sofia Z. Sheikh, Christian Gilbertson +4
A stable-frequency transmitter with relative radial acceleration to a receiver will show a change in received frequency over time, known as a "drift rate''. For a transmission from…
Dynamical feasibility of (3) Juno as a parent body of the H chondrites
John W. Noonan, Kathryn Volk, David Nesvorný +1
We test the hypothesis that (3) Juno is a parent body of the H chondrites with dynamical modeling of an asteroid-family-forming impact and comparison to current observational data.…