nmspacemuseum.org http://www.nmspacemuseum.org/halloffame/detail.php?id=123 https://www.nmspacemuseum.org/halloffame/detail.php?id=123 http://www.nmspacemuseum.org/halloffame/detail.php?id=123 http://www.nmspacemuseum.org/halloffame/detail.php?id=123 Heliocentric ideas nmspacemuseum.org Copernicus's heliocentric theory Main tenets Copernicus http://www.nmspacemuseum.org/halloffame/detail.php?id=123 « Nicolaus Copernicus » http://www.nmspacemuseum.org/halloffame/detail.php?id=123 http://www.nmspacemuseum.org/halloffame/detail.php?id=123 Nicolaus Copernicus