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Accretion
Accretion
Accretion
Accretion
Accretion

The following information is about Accretion.

Accretion Defined

The process of growth of planets and planetesimals by the infalling of matter that is swept up from interplanetary space.

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Lorus Therapeutics Reports First Quarter Results for Fiscal Year 2009

Published October 9, 2008, 5:15 am, CCNMatthews via Yahoo! Finance

TORONTO, ONTARIO-- - Lorus Therapeutics Inc. , a biopharmaceutical company specializing in the research and development of pharmaceutical products and technologies for the management of cancer, today reported financial results for the three months ended August 31, 2008.

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Off-site Accretion Links, User Submitted

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Sun Sep 28

  • Planetary accretion in the inner Solar System: Unlike gas-giant planets, we lack examples of terrestrial planets orbiting other Sun-like stars to help us understand how they formed. We can draw hints from elsewhere though. Astronomical observations of young stars; the chemical and isotopic compositions of Earth, Mars and meteorites; and the structure of the Solar System all provide clues to how the inner rocky planets formed. These data have inspired and helped to refine a widely accepted model for terrestrial planet formation?the planetesimal hypothesis. In this model, the young Sun is surrounded by a disk of gas and fine dust grains. Grains stick together to form mountain-size bodies called planetesimals. Collisions and gravitational interactions between planetesimals combine to produce a few tens of Moon-to-Mars-s ize planetary embryos in roughly 0.1?1 million years. Finally, the embryos collide to form the planets in 10?100 million years.

Tue May 13

  • Accretion: "In science, accretion is a process in which the size of something gradually increases by steady addition of smaller parts."

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