A planetary system as the origin of structure in Fomalhaut's dust belt

Article Abstract:

A study that detects optical light reflected from the dust grains orbiting Fomalhaut (HD 216956) is reported. The system is inclined 24 degree away from edge-on, enabling the measurement of disk structure around its entire circumference at a linear resolution of 0.5 (sub AU).

Author: Kalas, Paul, Graham, James R., Clampin, Mark
Planetary systems

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Timescales of shock processes in chondritic and martian meteorites

Article Abstract:

The peak pressure experienced, and the duration of impact in a chondrite and a martian meteorite is determined. The shock duration and the associated sizes of the impactor are found to be much greater in the chondrite, than in the martian meteorite.

Author: Beck, P., Gillet, Ph, Goresy, A. El, Mostefaoui, S.
Meteorites, Chondrites (Meteorites), Chondrites

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Subjects list: Research, United States, Outer space, Space exploration
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