4.3 characteristics of stars

Page 1 <img data-url='document/43-characteristics-of-stars.html?page=1' data-page='1' class='cut-thumb lazyload' alt='Page 1: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/1.jpg' width='140' height='200' /> Page 2 <img data-url='document/43-characteristics-of-stars.html?page=2' data-page='2' class='cut-thumb lazyload' alt='Page 2: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/2.jpg' width='140' height='200' /> Page 3 <img data-url='document/43-characteristics-of-stars.html?page=3' data-page='3' class='cut-thumb lazyload' alt='Page 3: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/3.jpg' width='140' height='200' /> Page 4 <img data-url='document/43-characteristics-of-stars.html?page=4' data-page='4' class='cut-thumb lazyload' alt='Page 4: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/4.jpg' width='140' height='200' /> Page 5 <img data-url='document/43-characteristics-of-stars.html?page=5' data-page='5' class='cut-thumb lazyload' alt='Page 5: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/5.jpg' width='140' height='200' /> Color = Temperature

Page 6 <img data-url='document/43-characteristics-of-stars.html?page=6' data-page='6' class='cut-thumb lazyload' alt='Page 6: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/6.jpg' width='140' height='200' /> https://www.youtube.com/watch?v=HEheh1BH34Q

https://www.youtube.com/watch?v=HEheh1BH34Q Page 7 <img data-url='document/43-characteristics-of-stars.html?page=7' data-page='7' class='cut-thumb lazyload' alt='Page 7: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/7.jpg' width='140' height='200' /> Page 8 <img data-url='document/43-characteristics-of-stars.html?page=8' data-page='8' class='cut-thumb lazyload' alt='Page 8: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/8.jpg' width='140' height='200' /> What stars are made of!

Page 9 <img data-url='document/43-characteristics-of-stars.html?page=9' data-page='9' class='cut-thumb lazyload' alt='Page 9: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/9.jpg' width='140' height='200' /> Depends on size AND temperature

Brightness from

EarthBrightness from

Standard Distance

(If all the stars were lined up side by side)

(magnitude)

Page 10 <img data-url='document/43-characteristics-of-stars.html?page=10' data-page='10' class='cut-thumb lazyload' alt='Page 10: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/10.jpg' width='140' height='200' /> Page 11 <img data-url='document/43-characteristics-of-stars.html?page=11' data-page='11' class='cut-thumb lazyload' alt='Page 11: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/11.jpg' width='140' height='200' /> Ejnar Hertzsprung & Henry Norris Russell

To classify stars and understand how stars change over time.

Page 12 <img data-url='document/43-characteristics-of-stars.html?page=12' data-page='12' class='cut-thumb lazyload' alt='Page 12: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/12.jpg' width='140' height='200' /> Page 13 <img data-url='document/43-characteristics-of-stars.html?page=13' data-page='13' class='cut-thumb lazyload' alt='Page 13: 4.3 characteristics of stars' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader033.cupdf.com/reader033/viewer/2022052322/559cad4f1a28ab61168b466d/html5/thumbnails/13.jpg' width='140' height='200' />