Harmonia Macrocosmica by Andreas Cellarius:
Atlas of the heavens as seen by the astronomers of the time of its
1661 printing: Copernicus, Ptolemy, Brahe, and Aratus. Entire book
has been digitized and the images may be browsed or searched.
http://www.lib.utah.edu/digital/cellarius.html
The أ€ryabhatأya of أ€ryabhata:
The oldest exact astronomic constant? The ratio of earth rotations
to lunar orbits in Aryabhata's AD 498 writing.
http://www.jqjacobs.net/astro/aryabhata.html
Astronomy in Japan:
Historical and modern Japanese astronomy, and its place in Japanese
culture
http://www2.gol.com/users/stever/jastro.html
The Star of Bethlehem:
An investigation of the science and history which bear on the
mysterious star said to have accompanied the advent of Christ.
http://www.bethlehemstar.net/
Rundetaarn (The Round Tower):
Astronomy in Denmark: Brahe, Roemer, Hertzsprung.
http://www.rundetaarn.dk/engelsk/observatorium/history.htm
Hindu Cosmological Time Cycles:
An accurate calendar and the progenitor of the sexagesimal (base 60)
"degree, minutes, seconds" measurement system.
http://www.aaronsrod.com/time-cycles/index.html
History of Astronomy in Ancient India:
Eclipse calculation, heliocentric theory, size of the world.
http://india.coolatlanta.com/GreatPages/sudheer/astro.html
History of Astronomy Pages:
Frederik Kaiser (1808-1872) and the professionalisation of Dutch
astronomy; The "Lost Letters" of J.C. Kapteyn (1851-1922); Many
history of astronomy and history of science links with a Dutch
flavour.
http://www.strw.leidenuniv.nl/~heijden/history.html
Islamic Astronomy:
Ancient astronomy preserved and improved by the Islamic empire.
http://www.scivis.com/AC/hist/islamastro.html
Historical Astronomy Division:
American Astronomical Society division devoted to history, with a
link to pages on the history of the society itself.
http://www.aas.org/~had/had.html
A Brief SETI Chronology:
A timeline of the search for extraterrestrial intelligence, from
Morrison and Coconni to SETI@home.
http://www.setileague.org/general/history.htm
From Stargazers to Starships:
Tutorial/historical exposition of the motion of Earth in space,
Newtonian mechanics and spaceflight, on a high school level.
http://www.phy6.org/stargaze/Sintro.htm
The Babylonian Theory of the Planets:
A substantial look at the subject, and a review of N. M. Swerdlow's
book.
http://www.maa.org/reviews/babplanets.html
Astronomy in Sweden 1860-1940:
From the Uppsala University Newsletter for History of Science.
http://www.vethist.idehist.uu.se/english/newsletter/astronomy.html
Historiacoelestis:
Yahoo group moderated by Stuart Williams, F.R.A.S.
http://groups.yahoo.com/group/historiacoelestis/
Arabic Astronomy Before Islam:
Some Babylonian and Greek background, then pre-Islamic astronomy on
the Arabian peninsula.
http://www.al-kawn.com/Ihsan/Before%20Islam.htm
This Month in the History of Astronomy:
Short descriptions of important discoveries, events, and birthdays
sorted by month.
http://astro.martianbachelor.com/TMITHOA/
Linda Hall Library:
An exhibit of 15th through 19th century celestial atlases, and an
exhibit of pictures of the moon from Galileo to Apollo.
http://www.lindahall.org/pubserv/hos/onlineexhibits.htm
Astronomy:
Features history of discoveries and references.
http://jacq.istos.com.au/sundry/astro.html
HASTRO-L:
Archive of the History of Astronomy Discussion Group, the mailing
list for scholars in this field.
http://listserv.wvu.edu/archives/hastro-l.html
Tycho's Star Maps:
Celestial atlases and globes on exhibit at the Royal Observatory,
Greenwich.
http://www.nmm.ac.uk/server.php?request=setTemplate:singlecontent&contentTypeA =conWebDoc&contentId=388
X-ray Astronomy at Goddard:
Describes observations using balloons, rockets and satellites.
http://lhea.gsfc.nasa.gov/docs/xray/history.html
Understanding Tidal Friction:
Article by Peter Brosche on gaining understanding of changes in the
Moon's orbit.
http://www.tribunes.com/tribune/art98/bros.htm
Big Ear Radio Observatory:
Radio astronomy and the search for extraterrestrial intelligence.
http://www.bigear.org/
Starry Messenger:
Phase I of the Electronic History of Astronomy, developed in the
Whipple Museum of the History of Science at Trinity College,
Cambridge. Covers the history of instruments and techniques, themes
such as astrology and calendar reform, and biographies of major
historical astronomers.
http://www.hps.cam.ac.uk/starry/starrymessenger.html
History of SETI:
An overview of the history of the search for extraterrestrial
intelligence.
http://www.seti-inst.edu/seti/seti_background/Welcome.html
History of Astronomy:
Offers a history of the field and science. Features links to related
sites, awards and contact details. Provided by the Working Group for
the History of Astronomy.
http://www.astro.uni-bonn.de/~pbrosche/astoria.html