<link href="../styles/MIT_style.css" rel="stylesheet" type="text/css"/> <meta content="urn:uuid:68c32638-78c5-4355-b536-925ae78f49a6" name="Adept.expected.resource"/></head><body><header> <h1 class="parttitle"><a id="d2e70"/>IV <br/>Copernican Revolution</h1></header></body></html>