ISBN 978-0691146355.Awon ajapo ode  HubbleSite, Hubble website for the public (operated by the Space Telescope Science Institute) Hubble Heritage Project, including a gallery of famous HST pictures. 
Láìpẹ́ díẹ̀ lẹ́hìnnã, ó pàdé ìyàwó kejì rẹ̀, pprano Anna Magdalena Wilcke, ẹnití ó fẹ́ ní oṣù Kejìlá ọdún 1721.. 