The Brightness of Stars. The Simple Answer to: How Bright? Quantifying the brightness of stars started with Hipparchus (2 nd C. BC) and his magnitude.
28.3 Life Cycles of Stars. Stars are born out of great clouds of gas and dust They mature, grow old and die They may produce new clouds of dust and.
SPACE
Stellar Evolution – Life of a Star
Stellar Evolution – Life of a Star Stellar evolution is the process in which the forces of pressure (gravity) alter the star. Stellar evolution is inevitable;
Announcements Reading for next class: Chapters 21 & 22 Cosmos Assignment 3, Due Monday, April 19 1. Astronomy Place tutorial “Measuring Cosmic Distances”,
Susan CartwrightOur Evolving Universe1 Other galaxies n Telescopic images of the night sky reveal many other galaxies l l What do they look like? are.
THE UNIVERSE AND ITS STARS
Space Unit Lesson 1
M-31 The Andromeda Galaxy
