Results 111 to 120 of about 87,022 (274)

Magnesium phosphate in the Cold Bokkeveld (CM2) carbonaceous chondrite

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract Hydrous Mg‐phosphate was first described from astromaterials in particles returned from the C‐type asteroid Ryugu, and has subsequently been found in samples of the B‐type asteroid Bennu and CI1 carbonaceous chondrites. This phase may have been highly significant as a source of bioessential compounds for early Earth.
Martin R. Lee   +2 more
wiley   +1 more source

Matera: A not so ordinary H5 chondrite breccia with very low density and high porosity

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract On the evening of February 14, 2023, at 17:58 UT, a fireball was detected by three cameras of the Italian PRISMA network (FRIPON network). The first samples of the Matera meteorite, collected 3 days after the fall, lay on the balcony of a private home.
Giovanni Pratesi   +27 more
wiley   +1 more source

Density of asteroids

open access: yesPlanetary and Space Science, 2012
163 pages, 395 figures, 6 tables -- Accepted for publication in Planetary & Space ...
openaire   +3 more sources

Editorial: Asteroid modeling: Processing and combining diverse datasets

open access: yesFrontiers in Astronomy and Space Sciences, 2022
Dagmara Anna Oszkiewicz   +2 more
doaj   +1 more source

Expected value, to a point: Moral decision‐making under background uncertainty

open access: yesNoûs, EarlyView.
Abstract Expected value maximization gives plausible guidance for moral decision‐making under uncertainty in many situations. But it has unappetizing implications in ‘Pascalian’ situations involving tiny probabilities of extreme outcomes. This paper shows, first, that under realistic levels of ‘background uncertainty’ about sources of value independent
Christian Tarsney
wiley   +1 more source

Rational Slack and Doxastic Grain

open access: yesPacific Philosophical Quarterly, EarlyView.
ABSTRACT This paper argues for granular permissivism, roughly the view that evidence is sometimes permissive between doxastic attitudes at different levels of grain. The argument identifies three sources of rational slack between granularly differing doxastic states: doxastic tidiness, safety, and evidential responsiveness.
Bradford Saad
wiley   +1 more source

Categorial versus naturalized epistemology

open access: yesAnalytic Philosophy, EarlyView.
Abstract How do we know what kinds of things constitute knowledge or justified belief? Naturalized epistemology is committed to denying a priori insight into the kinds of kinds that are and are not knowledge or justification makers. By contrast, it is argued here that knowledge of these matters is a priori knowledge of a special kind.
Nick Zangwill
wiley   +1 more source

Asteroids and comets

open access: yesEos, Transactions American Geophysical Union, 1971
Review Articles and Meetings. I will concentrate on recent review articles, especially when they give titles of earlier papers. Only for asteroids, because there seems to be no published review, and for other selected topics will we go back more than 4 years.
openaire   +3 more sources

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