منابع مشابه
01 Front Matter (i-vi)
Anthropic bias : observation selection effects in science and philosophy / by Nick Bostrom. p. cm. — (Studies in philosophy) Includes bibliographical references and index.
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Several nearby individual low column density interstellar cloudlets have been identified previously based on kinematical features evident in high-resolution Ca observations near the Sun. One of these cloudlets, the ‘Apex Cloud” (AC), is within 5 pc of the Sun in the solar apex direction. The question of which interstellar cloud will constitute the next galactic environment of the Sun in princip...
متن کاملLocal Interstellar Matter : The Apex Cloud Priscilla
Several nearby individual low column density interstellar cloudlets have been identified based on kinematical features evident in high-resolution Ca observations near the Sun. One of these cloudlets, the ‘Apex Cloud” (AC), is within 5 pc of the Sun in the solar apex direction. The question of which interstellar cloud will constitute the next galactic environment of the Sun in principle can be d...
متن کاملProperties of O VI Absorption in the Local Interstellar Medium
The measurement of absorption over short distances in the local interstellar medium (LISM) provides an excellent opportunity to study the properties of O VI absorption and its kinematic relationship to absorption by tracers of cool and warm gas. We report on the properties of LISM O VI absorption observed with 20 km s −1 resolution Far Ultraviolet Spectroscopic Explorer (FUSE) observations of 3...
متن کاملInterstellar chemistry recorded in organic matter from primitive meteorites.
Organic matter in extraterrestrial materials has isotopic anomalies in hydrogen and nitrogen that suggest an origin in the presolar molecular cloud or perhaps in the protoplanetary disk. Interplanetary dust particles are generally regarded as the most primitive solar system matter available, in part because until recently they exhibited the most extreme isotope anomalies. However, we show that ...
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ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2008
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s1743921308025659