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The Jupiter barrier is the name for the region of the Solar System where the gravitational influence of Jupiter on passing interstellar and in-system objects such as asteroids and comets attracts those objects to the planet where they are either captured in its orbit or destroyed through impacting the planet. Because of this barrier, Jupiter has been nicknamed the Solar System's "cosmic vacuum cleaner" by astronomers, who have also speculated that the barrier reduces the likelihood of such objects from reaching the inner Solar System with potentially fatal consequences on the smaller planets in the inner Solar System such as nearly, if not completely, destroying all life on Earth.

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  • Der Begriff Jupiter-Barriere oder manchmal auch Jupiter-Saturn-Barriere bezeichnet die Eigenschaft der Gasplaneten im Sonnensystem (vor allem des Jupiters), aufgrund ihrer großen Masse Objekte aus der Inneren Oortschen Wolke oder aus dem Asteroidengürtel daran zu hindern, das Gebiet der inneren Planeten zu erreichen. Die Änderung des Perihelabstandes eines Objekts aus der Oortschen Wolke zwischen zwei Bahnumläufen durch das äußere Sonnensystem ist eine starke Funktion der großen Halbachse (proportional zur großen Halbachse hoch 7/2). Ist die große Halbachse eines Objektes aus der Oortschen Wolke kleiner als etwa 10.000 AE bis 20.000 AE, so ist die zwischen zwei Umläufen durch das äußere Sonnensystem zu erwartende Änderung seines Perihelabstandes so gering, dass der Bereich der Gasplaneten nicht mehr in einem Schritt überwunden werden kann. Die Objekte halten sich daher länger im Bereich dieser Planeten auf und werden mit sehr großer Wahrscheinlichkeit durch die gravitative Wirkung der Planeten aus dem Sonnensystem „geschleudert“. Ob Jupiter im Gesamteffekt tatsächlich eine „Schutzfunktion“ erfüllt, wurde in neueren Publikationen allerdings in Frage gestellt. (de)
  • The Jupiter barrier is the name for the region of the Solar System where the gravitational influence of Jupiter on passing interstellar and in-system objects such as asteroids and comets attracts those objects to the planet where they are either captured in its orbit or destroyed through impacting the planet. Because of this barrier, Jupiter has been nicknamed the Solar System's "cosmic vacuum cleaner" by astronomers, who have also speculated that the barrier reduces the likelihood of such objects from reaching the inner Solar System with potentially fatal consequences on the smaller planets in the inner Solar System such as nearly, if not completely, destroying all life on Earth. (en)
  • 목성 장벽(영어: Jupiter Barrier) 또는 목성-토성 장벽(영어: Jupiter Saturn Barrier)은 카이퍼대나 오르트 구름 등 외태양계 천체가 소행성대 안쪽 내태양계로 들어오지 못하도록 목성형 행성(특히 목성)들이 중력을 통해 이를 막는 것을 가리킨다. 만약 오르트 구름에 있는 천체의 근일점이 외태양계로 들어왔다고 하면, 근일점 거리는 타원 반축(semiaxis)과 큰 관련이 있는데, 반축 길이가 10,000 ~ 20,000 AU라면 해당 천체의 근일점이 목성과 토성 사이에서 움직일 수 있는 범위는 매우 좁아지고, 따라서 이 천체는 쉽사리 내태양계로 들어가지 못하고 외태양계에 오래 머물게 되며, 섭동으로 인해 태양계 바깥으로 내던져질 가능성이 높다. 하지만 최근 시뮬레이션 결과 목성이 오히려 소행성을 많이 불러왔던 경우도 있었기 때문에, 정말로 목성이 내태양계를 "보호"해 주는지에 대해서 의문시되고 있다. (ko)
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  • The Jupiter barrier is the name for the region of the Solar System where the gravitational influence of Jupiter on passing interstellar and in-system objects such as asteroids and comets attracts those objects to the planet where they are either captured in its orbit or destroyed through impacting the planet. Because of this barrier, Jupiter has been nicknamed the Solar System's "cosmic vacuum cleaner" by astronomers, who have also speculated that the barrier reduces the likelihood of such objects from reaching the inner Solar System with potentially fatal consequences on the smaller planets in the inner Solar System such as nearly, if not completely, destroying all life on Earth. (en)
  • 목성 장벽(영어: Jupiter Barrier) 또는 목성-토성 장벽(영어: Jupiter Saturn Barrier)은 카이퍼대나 오르트 구름 등 외태양계 천체가 소행성대 안쪽 내태양계로 들어오지 못하도록 목성형 행성(특히 목성)들이 중력을 통해 이를 막는 것을 가리킨다. 만약 오르트 구름에 있는 천체의 근일점이 외태양계로 들어왔다고 하면, 근일점 거리는 타원 반축(semiaxis)과 큰 관련이 있는데, 반축 길이가 10,000 ~ 20,000 AU라면 해당 천체의 근일점이 목성과 토성 사이에서 움직일 수 있는 범위는 매우 좁아지고, 따라서 이 천체는 쉽사리 내태양계로 들어가지 못하고 외태양계에 오래 머물게 되며, 섭동으로 인해 태양계 바깥으로 내던져질 가능성이 높다. 하지만 최근 시뮬레이션 결과 목성이 오히려 소행성을 많이 불러왔던 경우도 있었기 때문에, 정말로 목성이 내태양계를 "보호"해 주는지에 대해서 의문시되고 있다. (ko)
  • Der Begriff Jupiter-Barriere oder manchmal auch Jupiter-Saturn-Barriere bezeichnet die Eigenschaft der Gasplaneten im Sonnensystem (vor allem des Jupiters), aufgrund ihrer großen Masse Objekte aus der Inneren Oortschen Wolke oder aus dem Asteroidengürtel daran zu hindern, das Gebiet der inneren Planeten zu erreichen. Ob Jupiter im Gesamteffekt tatsächlich eine „Schutzfunktion“ erfüllt, wurde in neueren Publikationen allerdings in Frage gestellt. (de)
rdfs:label
  • Jupiter-Barriere (de)
  • Jupiter barrier (en)
  • 목성 장벽 (ko)
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