Building a planet in record time
نویسندگان
چکیده
منابع مشابه
Building Giant-Planet Cores at a Planet Trap
Context. A well-known bottleneck for the core-accretion model of giant-planet formation is the loss of the cores into the star by Type-I migration, due to the tidal interactions with the gas disk. It has been shown that a steep surface-density gradient in the disk, such as the one expected at the boundary between an active and a dead zone, acts as a planet trap and prevents isolated cores from ...
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In the case of such a very special building project, the crucial stake for sustainable development is the fact that space systems are extreme cases of environmental constraints. Indeed, they constitute an interesting model as an analogy can be made between Martian utmost conditions and some of the possible extreme one’s that Earth might soon face. The didactic objective of the project is to use...
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Building the computer-based patient record.
Have you struggled to read someone's illegible handwriting , spent precious time tracking down the one copy in the entire hospital of a patient's chart, or navigated through hundreds of pages looking for the answer to a simple ques-tion? These common experiences illustrate some of the problems with today's paper-based patient records. Computerization of the patient record offers solutions to th...
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year. Other than continued replenishment of aquifers in the southeast, Australia reversed course from 2010, becoming wetter in the west and dryer in the northeast. Drought in equatorial Africa and recovery from drought in the Indochinese peninsula also stand out. Aquifers in central California (Famiglietti et al. 2011) and northern India (Rodell et al. 2009; Tiwari et al. 2009), which are stres...
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ژورنال
عنوان ژورنال: Nature
سال: 2011
ISSN: 0028-0836,1476-4687
DOI: 10.1038/473460a