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...[[Brouwer Award]]'', awarded by the Division on Dynamical Astronomy of the American Astronomical Society. [[Category:20th-century Italian astronomers]] ...

{{Short description|American astronomer}} ...ses-invisible-hand/|title=The Universe's Invisible Hand|journal=Scientific American|year=2007|doi=10.1038/scientificamerican0207-34|language=en|access-date=201 ...

...in new exhibition |url=https://www.rotherhamadvertiser.co.uk/leisure/view,astronomers-reach-for-the-stars-in-new-exhibition_41286.htm}}</ref> ...A_2011-01.pdf|journal=The Observer|publisher=San Bernardino Valley Amateur Astronomers|volume=53|issue=1|pages=3|url-status=live|archive-url=https://web.archive.o ...

{{Use American English|date=May 2015}} Since antiquity, astronomers have progressively refined the definition of the tropical year. The entry f ...

...2012|title=How Has Stephen Hawking Lived to 70 with ALS?|work=[[Scientific American]]|url=http://www.scientificamerican.com/article/stephen-hawking-als/|url-st ...British Agriculture|great agricultural depression]] during the early 20th century.<ref name="SA" /> His paternal great-grandmother saved the family from fina ...

...e Origin and Spread of Qanats in the Old World |journal=Proceedings of the American Philosophical Society |volume= 112 |issue= 3 |pages= 170–181 |date= 21 June ...or [[panemone windmill]] first appeared in [[Greater Iran]] during the 9th century.<ref>Glick, Thomas F., Steven Livesey, and Faith Wallis. Medieval science, ...

...midst of the [[History of molecular biology|molecular revolution]], a half-century after the origins of theoretical population genetics: they were soon widely In the early 20th-century, authors such as [[Theodor Eimer|Eimer]] or [[Edward Drinker Cope|Cope]] he ...