div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader040vdocumentsnetreader040viewer2022020522575067f21a28ab0f07ade2d1html5page1jpg target=_blank img data-url=an-outline-of-stellar-astronomyhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: An Outline of Stellar Astronomy loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader040vdocumentsnetreader040viewer2022020522575067f21a28ab0f07ade2d1html5thumbnails1jpg width=140 height=200 adivp© 1948 Nature Publishing Grouppdiv