The Age of the Universe
… but the equilibrium is unstable. In order to prevent the universe from either expanding or contracting, Einstein introduced a scalar field.
Do Now Put the following in order from largest to smallest Galaxy Earth’s Moon Sun Universe Planet (Earth) Solar system What is the name of our Galaxy?
Norma, scuitum-crux, Sagittarius, Orion, Perseus, cygruus.
25 Chapter 25 Beyond Our Solar System. The Milky Way Galaxy 25.3 The Universe A galaxy is a group of stars, dust, and gases held together by gravity.
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25.4 Galaxies and the Universe Objectives: Describe the different types of galaxy Describe the solar system’s position in our galaxy Describe the.
