Mawr a bach
Subtitle: sef sêr ac electronau.
By: Gwilym Owen, M.A., D.Sc. Athro mewn Anianeg, Coleg Prifysgol Cymru, Aberystwyth
Publisher: Gwasg Prifysgol Cymru; Gwasg Prifysgol Cymru / University of Wales Press
Published: 1936
Place of publication: Caerdydd
Language: wel
Format: Hardcover
Number of pages: 99
First sentence: Pan oeddwn i tua deuddeg oed fe ddaeth llyfr i'm llaw o'r enw Starland, gan Syr Robert Ball.
Description: The book is about the physical sciences and was intended for young readers, being based on a series of radio lectures by the author. It discusses the basics of astronomy, stars, galaxies, and the Solar System. The possibility of life elsewhere in the Universe is considered. The book describes an imaginary journey to the Moon. Eclipses, meteorites and meteors are discussed. Atoms and molecules are considered.
Notes: The author is Prof. Gwilym Owen (1880-1940).
Table of contents: title: Rhagair
pagenum: 7; title: Cynwys
pagenum: 9; label: I
title: Trem ar y Cyfanfyd
pagenum: 11; label: II
title: Yr Haul a'i Deulu
pagenum: 21; label: III
title: Ychwaneg am yr Haul a'i Deulu
pagenum: 33; label: IV
title: Posibilrwydd Bywyd ar Fydoedd Eraill
pagenum: 43; label: V
title: Ymweliad Dychmygol a'r Lleuad
pagenum: 59; label: VI
title: Digwyddiadau Hynod ym Myd y Ser
pagenum: 68; label: VII
title: Atomau a Molynnau
pagenum: 78; title: Atodiad
pagenum: 98