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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents



ID: 731751.0, MPI für Astronomie / Publikationen_mpia
Dust evolution and the formation of planetesimals
Authors:Birnstiel, T.; Fang, M.; Johansen, A.
Date of Publication (YYYY-MM-DD):2016
Title of Journal:Space Science Reviews
Volume:205
Issue / Number:1-4
Start Page:41
End Page:75
Audience:Not Specified
Abstract / Description:The solid content of circumstellar disks is inherited from the interstellar medium: dust particles of at most a micrometer in size. Protoplanetary disks are the environment where these dust grains need to grow at least 13 orders of magnitude in size. Our understanding of this growth process is far from complete, with different physics seemingly posing obstacles to this growth at various stages. Yet, the ubiquity of planets in our galaxy suggests that planet formation is a robust mechanism. This chapter focuses on the earliest stages of planet formation, the growth of small dust grains towards the gravitationally bound "planetesimals", the building blocks of planets. We will introduce some of the key physics involved in the growth processes and discuss how they are expected to shape the global behavior of the solid content of disks. We will consider possible pathways towards the formation of larger bodies and conclude by reviewing some of the recent observational advances in the field.
Free Keywords:Accretion disks; Planets and satellites: formation; Protoplanetary disks; Circumstellar matter
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
Identifiers:ISSN:0038-6308 %R 10.1007/s11214-016-0256-1
URL:http://adsabs.harvard.edu/abs/2016SSRv..205...41B
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