Astronomical items in Extras

AdamsA cartoon about the discovery of Neptune
AdamsJohn Couch Adams' account of the discovery of Neptune
Ambartsumian Trouble at the Pulkovo Observatory
BesselBessel and the Royal Astronomical Society
BowditchLaplace: Méchanique Céleste
BradleyJames Bradley's 1747 letter read to the Royal Society
BradleyJames Bradley - Miscellaneous works and correspondence
Brinkley John Brinkley's 'Elements of Astronomy'
BrinkleyJohn Brinkley is awarded the Copley Medal
Cannon Annie J Cannon: In the footsteps of Columbus
CannonCannon's Second Catalogue of Variable Stars
CassiniCassini and the Division in Saturn's Ring
De_MorganDe Morgan and the Royal Astronomical Society
DingleReviews of Herbert Dingle's books
EddingtonEddington: Mathematical Theory of Relativity Introduction
EddingtonEddington on the Expanding Universe
EinsteinEinstein: Ether and Relativity
EnckeRoyal Astronomical Society's Obituary of Johann Franz Encke
FlamsteedFlamsteed v Newton
FlamsteedJames Gregory seeks John Flamsteed's advice concerning his Observatory
FreundlichEMS: Freundlich lecture
FreundlichFinlay Freundlich's Inaugural Address
FreundlichFinlay Freundlich's Inaugural Address, Part 2
FreundlichThe St Andrews Schmidt-Cassegrain Telescope
GalileoGalileo's "Confession"
GalileoGalileo's Dialogue
GeminusSimplicius on astronomy and physics
GregoryGregory's Astronomical Clock
GregoryJames Gregory's commission for an Observatory in St Andrews
GregoryJames Gregory seeks John Flamsteed's advice concerning his Observatory
GregoryGregory's Observatory
GregoryThe Tercentenary of the birth of James Gregory
GregoryH W Turnbull: Scottish Contribution to the Calculus
GregoryThe Upper Hall of the University Library
Hevelius_JohannesHevelius's observatory destroyed by fire
HillGeorge William Hill's new theory of Jupiter and Saturn
HobsonErnest Hobson addresses the British Association in 1910
HuygensHuygens' Traité de la lumière
HuygensChristiaan Huygens' article on Saturn's Ring
IAU International Astronomical Union - General Assembly
IAU International Astronomical Union - National Members
IAUMessage from the IAU President 2006
IAUPolitical difficulties of the General Secretary
IAUTwo General Assemblies in One Year
LaplaceLaplace: Méchanique Céleste
LaplaceLaplace on "new stars"
MaunderAnnie and Walter Maunder: The heavens and their story
MaxwellJames Clerk Maxwell on the nature of Saturn's rings
PlanckMax Planck: The Nature of Light
PlatoPlato describes the planets
PlatoD'Arcy Thompson on Plato and Planets
ThomsonKelvin on the sun
ThomsonThomson on "ether"
TroughtonThe South-Troughton quarrel
Ulugh_BegThe Samarkand Observatory
WhittakerEdmund Whittaker: Physics and Philosophy
ZwickyFritz Zwicky: Morphological astronomy
ZwickyReviews of Fritz Zwicky's books