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Modern View of the Solar System

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Presentation on theme: "Modern View of the Solar System"— Presentation transcript:

1 Modern View of the Solar System

2 Modern View of the Solar System
Sun Terrestrial planets Asteroids Gas Giants (outer planets) Trans-Neptunian Objects (TNO) Kuiper Belt Scattered Disc Oort Cloud (hypothetical) Comets Note: Dots represent objects. Someone looking at the solar system at this scale shouldn’t see asteroids and the Oort cloud with naked eyes. Much of the Solar System is empty space.

3 Beyond the Solar System (Hierarchy of Objects) [pictures from atlasoftheuniverse.com]
Solar Neighborhood Orion Arm Note: nebulae are usually in spiral arms. Milky Way Galaxy (2-4x109 stars) Note: globular clusters ( stars) orbit the galactic core as satellites.

4 Beyond the Milky Way [pictures from atlasoftheuniverse.com]
Neighboring Superclusters (100 superclusters shown) Local Group (30+ galaxies) Visible Universe (107 superclusters) * visible ≠ whole but not visible has no physical relevance. Virgo Supercluster (100 groups/clusters of galaxies)


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