File:Solar nebula stadia.svg
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Size of this PNG preview of this SVG file: 160 × 596 pixels. Other resolutions: 64 × 240 pixels | 128 × 480 pixels | 206 × 768 pixels | 274 × 1,024 pixels | 549 × 2,048 pixels | 355 × 1,323 pixels.
Original file (SVG file, nominally 355 × 1,323 pixels, file size: 43 KB)
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[edit]DescriptionSolar nebula stadia.svg |
English: Development of a protoplanetary disk in four stages. 1. an approximately concentric volume of gas and dust in a molecular cloud begins to contract; 2. the contraction increases angular speed: the cloud's angular velocity and rotation increase and it is flattened into a disk; 3. while the central star ignites, vortices and pressure waves develop locally into denser areas; 4. in the denser areas accretion of small dust particles creates objects with size up to 10 - 100 km - planetesimals, meanwhile the intense stellar wind of the young star blows away most of the remaining gas and dust.
Nederlands: Ontwikkeling van een protoplanetaire schijf in vier stappen. 1. een bij benadering concentrisch volume in een moleculaire nevel begint samen te trekken; 2. de samentrekking versnelt de rotatie vanwege het behoud van hoekmoment: de wolk gaat steeds sneller roteren en raakt afgeplat tot een schijf; 3. uit lokale draaikolken en drukgolven ontstaan verdichtingen - tegelijk ontbrandt in het middelpunt de proto-ster; 4. de verdichtingen groeien aan tot planetesimalen en de sterrenwind blaast het overgebleven gas en stof weg. |
Date | |
Source | Own work |
Author | Woudloper |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:10, 19 May 2024 | 355 × 1,323 (43 KB) | Woudloper (talk | contribs) | straighten borders | |
03:11, 6 May 2024 | 333 × 1,240 (43 KB) | Woudloper (talk | contribs) | Uploaded own work with UploadWizard |
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Width | 94mm |
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Height | 350mm |
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6 May 2024
44,240 byte
1,323 pixel
355 pixel
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237f5c461bbd4a45f019abb5fc4cec0d1c25111b
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