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Staff Oprettet: 14 Okt 2007 Sted: Frederiksberg Status: Offline Point: 30306 |
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Sendt: 21 Apr 2021 kl. 00:40 |
"Solsystemet har sin oprindelse i et gravitationelt kollaps af en gigantisk gas- og støvsky for 4,6 milliarder år siden."
Meget har ændret sig siden dengang. Bl.a. har planeterne skiftet plads, "LLNL researchers have found that the current locations of many planetary bodies in the solar system are not where they originally formed. As the solar system was developing, the giant planets (Jupiter and Saturn) formed very early, and as they grew, they migrated both closer to and further away from the sun to stay in gravitationally stable orbits. The gravitational effect of these massive objects caused immense reshuffling of other planetary bodies that were forming at the time, meaning that the current locations of many planetary bodies in our solar system are not where they originally formed." Putting the Pieces Back Together: Scientists Reconstruct Solar System’s Original Architecture (scitechdaily) Solsystemet - Wiki |
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