I'r lleuad a thu hwnt.
Publisher: Gwasg Gee
Published: 1964
Place of publication: [Dinbych]
Language: wel
Format: Hardcover
Number of pages: 134
Subjects: Space flight to the moon.; Astronautics.
First sentence: `Arfer a wna gynefin', medd yr hen air.
Description: The book describes developments in space flight up to 1964 and looks ahead to the possibility of manned exploration of the Moon. It explains the basis of spaceflight in terms of basic physics. It summarises accomplishments by the Soviet Union, the United States and, more modestly, by Britain. It establishes the principles by which human exploration of the Moon and planets might be achieved.
Notes: Includes index.
The title translates as "To the Moon and Beyond". 
The author is Dr. Eirwen Gwynn (nee Williams) (1916-2007).
Table of contents: title: Diolch
pagenum: 6; title: Cyflwyniad
pagenum: 7; title: Cynnwys
pagenum: 8; label: I
pagenum: 11
title: Y Breuddwyd; label: II
pagenum: 17
title: Lleuad Newydd; label: III
pagenum: 23
title: Yr Awyrgylch; label: IV
pagenum: 29
title: Dianc o'r Ddaear; label: V
pagenum: 38
title: Y Gofod-Deithiwr; label: VI
pagenum: 46
title: Camp Rwsia; label: VII
pagenum: 55
title: Camp America; label: VIII
pagenum: 70
title: Rhemp; label: IX
pagenum: 78
title: Cyfraniad Prydain; label: X
pagenum: 85
title: Tocyn i'r Lleuad; label: XI
pagenum: 93
title: Dyn yn y Lleuad; label: XII
pagenum: 101
title: Y Tu Hwnt; label: XIII
pagenum: 108
title: Llawer o Drigfannau?; label: XIV
pagenum: 120
title: Yn Sgil y Ras; label: XV
pagenum: 125
title: Pa Ddiben?; title: Mynegai
pagenum: 130