THE UNIVERSE NEBULAR THEORY 1. Developed by Pierre-Simon Laplace in 1796 2. Suggests that the Solar System began from rotating clouds of dust and gas called NEBULA. 3. Gaseous…
1.Size and Scale of the UniverseImage courtesy of The Cosmic Perspective by Bennett, Donahue, Schneider, & Voit; Addison Wesley, 20022. Earth• Planet where we alllive•…
1.Matter in the UniverseLACC: §27.3, 27.4, 27.5 • Galaxy Distributions• Galaxy Cluster Distributions• Dark Matter An attempt to answer the “big questions”: What…
1.The Universe GEOG 1000: Physical Geography 2. Expanding Universe • Galaxies are complex systems of billions of stars along with gas and dust, held together by gravity.…
Slide 1 Size and Scale of the Universe Image courtesy of The Cosmic Perspective by Bennett, Donahue, Schneider, & Voit; Addison Wesley, 2002 Slide 2 Earth Planet where…
25.4 Galaxies and the Universe Objectives: Describe the different types of galaxy Describe the solar system’s position in our galaxy Describe the universe and its origin…
A galaxy is a group of stars, dust, and gases held together by gravity. • The Milky Way is a large spiral galaxy whose disk is about 100,000 light-years wide and about…
… but the equilibrium is unstable. In order to prevent the universe from either expanding or contracting, Einstein introduced a scalar field that was called The Cosmological…