div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=a-relation-between-the-radial-velocities-of-spiral-nebulae-and-the-velocityhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A Relation between the Radial Velocities of Spiral Nebulae and the Velocity of Dissolution of Matter loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsusreader036viewer2022071718575067c81a28ab0f07ad20c5html5thumbnails1jpg width=140 height=200 divp© 1930 Nature Publishing Grouppdiv