Astro 102 Study guides, Class notes & Summaries

Astro 102 Final Exam Ultimate Study Guide | 100% Correct Answers | Verified | Latest 2024 Version What are the characteristics of disk stars (yellow) of the Milky Way Galaxy? - High mass stars, the Sun, youngest stars, and stars that all orbit in nearly the same plane What are the characteristics of halo stars (green) of the Milky Way Galaxy? - Globular clusters, oldest stars, stars whose orbits can be inclined at any angle, and stars with smallest abundance of heavy elements. What are t...

Lab 4 How Big is our Galaxy? ASTRO 102 1 Objective The objective of this lab was to introduce methods that astronomers use to estimate properties of astronomical objects using observations. 2 Introduction A variable star is a star whose brightness changes periodically. Variable stars are comprised of two categories, intrinsic and extrinsic variables. The luminosity of an intrinsic star changes, whereas only the apparent brightness of an extrinsic star changes due to changes in the amoun...

What are the characteristics of disk stars (yellow) of the Milky Way Galaxy? - High mass stars, the Sun, youngest stars, and stars that all orbit in nearly the same plane What are the characteristics of halo stars (green) of the Milky Way Galaxy? - Globular clusters, oldest stars, stars whose orbits can be inclined at any angle, and stars with smallest abundance of heavy elements. What are the characteristics of spiral galaxies? - They contain abundant clouds of cool gas and dust, are rare...

What are the characteristics of disk stars (yellow) of the Milky Way Galaxy? - High mass stars, the Sun, youngest stars, and stars that all orbit in nearly the same plane What are the characteristics of halo stars (green) of the Milky Way Galaxy? - Globular clusters, oldest stars, stars whose orbits can be inclined at any angle, and stars with smallest abundance of heavy elements. What are the characteristics of spiral galaxies? - They contain abundant clouds of cool gas and dust, are rare...