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Astronomy 1st

Study Stack #1

What is the most widely accepted theory on how solar system and stars form? Solar Nebular Theory
What are the 5 less massive stars order? 1. Nebula, 2. protostar, 3. main sequence star (born), 4. white dwarf and 5. black dwarf(death)
What are the 5 more massive stars? 1. Nebula, 2. protostar, 3. main sequence star (born), 4. supernova and 5. neutron star (death)
What diagram shows the relationship between absolute magnitude (brightness) in relation to their surface temperatures? The Hertzprung - Russell (H-R)
What is the most widely accepted theory for how the universe formed? The Big Bang Theory
What are galaxies? The collections of billions of stars.
What are the 3 basic types for galaxies? Spiral, elliptical(football shaped) and irregular.
What Galaxy is our solar system a part of and why type is it? The Milky Way and it is a spiral galaxy.
Stars have a ______ lifespan and evolve over time. Fill in the blank. Finite
What control how the star evolves, its lifespan and ultimate fate? The mass (size) of the star.
Created by: BChildress