NCHALADA Home page


NCHALADA Archives


Morning Session

Afternoon Session

NCHALADA LXXVIII
November 4, 2006
White Elephants: Abandoned & Unfunded Telescopes, Spacecraft, etc.
Norm Sperling
History of the Constellations and Their Naming
Nancy Cox
NCHALADA LXXVII
August 5, 2006
The Motions of the Moon Robert Garfinkle, FRAS Arabic Star Names
Nancy Cox
NCHALADA LXXVI
May 6, 2006
Measuring Astronimical Temperature
Alan Fisher
Ancient Near-East Astronomical Carvings
Nancy Cox
NCHALADA LXXV
February 11, 2006
Eclipses and Longitude
John Westfall
Lunar Rays, Bright Spots, and Banded Craters
Robert Garfinkle
NCHALADA_LXXIV
November 5, 2005
Celestial Mapping: Early American Contributions
Nick Kanas
The Connection Between Asteroids and Meteorites
Nancy Cox
NCHALADA LXXIII
July 16, 2005
The Shapes of the Earth
John Westfall
Lunar Rilles
Robert Garfinkle

NCHALADA LXXII
May 7, 2005

Lunar Domes

Robert Garfinkle

Earth Impact Craters

Nancy Cox

NCHALADA LXXI
Febr
uary 5, 2005

The First Telescopes

John Dillon

Pre-Columbian American Astronomy

Bruce R. Mehlman

NCHALADA LXX
December 12, 2004

Naming Conventions in Early Astronomy

Nick Kanas

Chinese Astronomy

Celeste Burrows

NCHALADA LXIX
August 21, 2004

Astronomical Humor

Norm Sperling

Muslim Astronomy Before 1600

Bruce R. Mehlman

NCHALADA LXVIII
May 1, 2004

Asteroid Orbits

Bruce R. Mehlman

Cosmic Rays

Nancy Cox

NCHALADA LXVII
February 7, 2004

Radio Astronomy

Robert Garfinkle

History of Mars Geology

Nancy Cox

NCHALADA LXVI
November 1, 2003

Human Flight

Alan Fisher

History of the Geology of the Moon

Bruce R. Mehlman

NCHALADA LXV
August 2, 2003

Give 'em an Inch? International System of Units and Physical Constants.

Andrew Bell

What Should a History of Astronomy Course Include?

Norm Sperling

NCHALADA LXIV
April 12, 2003

T.J.J. See, Mare Island, and Navigation Instruments

Jim Kern

T.J.J. See in Context

Carl Trost

NCHALADA LXIII
February 1, 2003

History of Astronomy on the World Wide Web

Bruce R. Mehlman

Astronomical Instruments from 200 BCE to 1600 CE

Celeste Burrows

NCHALADA LXII
October 12, 2002

The Grand Amateurs

John Westfall

Near Earth Asteroids

Bill Stepka

NCHALADA LXI
June 22, 2002

Magnetism

Alan R. Fisher

Galileo & Daughter

Nancy Cox

NCHALADA LX
March 30, 2002

Wavelengths, Part 2

Andrew Bell

Shifts Happen, the work of Thomas Kuhn

Bruce R. Mehlman

NCHALADA LIX
January 5, 2002

Ancient Greek Astronomy

John Dillon

Wavelengths, 19th century spectroscopy and the birth of modern astrophysics

Andrew Bell

NCHALADA LVIII
October 6, 2001

How Far the Stars

John Westfall

Elementary Particles

Nancy K. Cox

NCHALADA LVII
June 9, 2001

The History of Rocketry from WWII to Infinity and Beyond

Alan R. Fisher

Space Stations

Celeste Burrows

NCHALADA LVI
February 10, 2001

The History of Rocketry

Alan R. Fisher

Worth a Thousand Words

Bruce R. Mehlman

NCHALADA LV
November 11, 2000

Can't Win Them All

Bruce R. Mehlman

The Depopulation of the Solar System

John Westfall

NCHALADA LIV
August 5, 2000

A History of Earth's Atmosphere

Fred Jueneman

The Most Significant Astronomical Research Papers of the Last 100 Years

Nancy Cox

NCHALADA LIII
May 20, 2000

The Story of Longitude

Bruce R. Mehlman

The History of the History of the Universe

Nancy Cox

NCHALADA LII
February 12, 2000

The Copernican Challenge

Bruce R. Mehlman

Famous Meteor Showers

Nancy Cox

NCHALADA LI
November 13, 1999

Binary Stars

Jim Scala

Standard Candles: A History of the Cepheid Variable Stars

José Olivarez

NCHALADA L
August 28, 1999

The History of the Lunar Theory, or Where is the Moon Now?

Robert Garfinkle

Celestial Surveys: the BD and Other Great Star Atlases

José Olivarez

NCHALADA XLIX
June 5, 1999

Things You Can Do With Next-to-Nothing: History and Prehistory of the Infinitesimal Calculus

Alan Fisher

Lunar Probes

Nancy Cox

NCHALADA XLVIII
February 27, 1999

Climate Changes of Earth

Betty Neall

Asteroids

Bill Stepka

NCHALADA XLVII
November 7, 1998

Ĝle Roemer

Bruce R. Mehlman

Horizon Markers in Archaeoastronomy

Bill Stepka

NCHALADA XLVI
June 6, 1998

Lord Rosse of Birr Castle

Marshal Merriam

Chinese Astronomy

Norm Sperling

NCHALADA XLV
February 14, 1998

Johannes Kepler

Robert Garfinkl

Renaissance Astronomy

José Olivarez

NCHALADA XLIV
November 15, 1997

Earthquakes

Sally Caughran

Eugene Shoemaker

Don E. Wilhelm

NCHALADA XLIII
August 16, 1997

A History of Zero

Alan R. Fisher

Vatican Observatory

Nancy Cox

NCHALADA XLII
April 26, 1997

Lunar Oddities

John Westfall

Important Graphs and Charts

Norm Sperling

NCHALADA XLI
January 11, 1997

The Dark of Night, or Olbers's Paradox

Alan R. Fisher

Camille Flammarion

Norm Sperling

NCHALADA XL
June 15, 1996

The Aether and its Many Uses: Mining the Aether Ore

Alan R. Fisher

Observatories As Planned and As Built

Mike Reynold

NCHALADA XXXIX
February 3, 1996

Discovery of Solar System Moons

Bob Garfinkle

The Sun

Nancy Cox

NCHALADA XXXVIII
October 21, 1995

The Development of Meteorites

Norm Sperling

Mount Wilson Observatory

Nancy Cox

NCHALADA XXXVII
June 10, 1995

Explorers and Astronomy

John Westfall

Polynesian Astronomy and Navigation

Bruce R. Mehlman

NCHALADA XXXVI
February 11, 1995

Gravity from Antiquity to the Present

Alan Fisher

Discovery of the Age of the Earth and Solar System

Nancy Cox

NCHALADA XXXV
November 12, 1994

T. J. J. See, the Sage of Mare Island

Norm Sperling

Sky Surveys and Their Resultant Discoveries

Rich Wood

NCHALADA XXXIV
August 20, 1994

The Age of the Universe

Rich Wood

The Cretaceous/Tertiary Impact

Carl Trost

NCHALADA XXXIII
April 30, 1994

Tabloid Astronomy!

John Hewitt

The Acceptance of Impact Cratering

Bruce R. Mehlman

NCHALADA XXXII
January 29, 1994

Comets, Capture and Collision

Norm Sperling

Aurorae in History and Folklore

Nancy Cox

NCHALADA XXXI
October 30, 1993

Post-[Precession (and Pre-Precession) Session with Nutation Notations and Other Notions About Other Motions

Alan Fisher

Supernovae

Don Stone

NCHALADA XXX
June 26, 1993

Precession (and Pre-Precession) Session with Nutation Notations and Other Notions About Other Motions

Alan Fisher

Cosmic Discovery a la Harwit

Alan B. Gorski

NCHALADA XXIX
March 13, 1993

Messages From the Gods: Sumerian, Akkadian, Assyrian, and Babylonian Astronomy

Jinky Smalley

Interstellar Molecules

Nancy Cox

NCHALADA XXVIII
December 12, 1992

Forensic Astronomy

Norm Sperling

The Size of the Universe

Don Stone

NCHALADA XXVII
August 15, 1992

Sir Isaac Newton

Alan Fisher

Science Education and Astronomy

David Dearborn

NCHALADA XXVI
April 11, 1992

The Columbus Semi-Millennium and the Age of Discovery

Alan Fisher

Space Exploration: Past, Present and Future

Mike Reynolds

NCHALADA XXV
January 18, 1992

Chasing Eclipses

Carter Roberts

Constellations and Stars: Their Lore and Meaning

Don Stone

NCHALADA XXIV
August 24, 1991

Galileo Galilei

Robert Multhauf

John Dobson

Franklyn Creese

NCHALADA XXIII
April 27, 1991

Famous Amateur Telescope Makers

Rich Wood

Telescopes and Observatories of Kings

Norm Sperling

NCHALADA XXII
January 26, 1991

The Expanding Universe

Alan Fisher

Cranks in Astronomy

Norm Sperling

NCHALADA XXI
September 29, 1990

Women in Astronomy

Lettie Multhauf

Planetarium History

Norm Sperling

NCHALADA XX
June 16, 1990

Astronomy in the Fine Arts

Joe Wujek

The Development of Calendars

Don Stone

NCHALADA XIX
February 10, 1990

The Great American Meteorite Hunters

Norm Sperling

Transits of Venus

John Westfall

NCHALADA XVIII
November 11, 1989

Percival Lowell and His Observatory

Joseph H. Wujek

Naked-Eye Astronomy

John Westfall

NCHALADA XVII
July 15, 1989

The Struve Dynasty

Alan Gorski

Pluto and the Pup

Don Stone

NCHALADA XVI
April 29, 1989

Astronomy and Timekeeping

Rich Wood

The ASP's First Century

Dale Cruikshank

NCHALADA XV
January 28, 1989

Sundials

Nancy Cox

Archaeoastronomical Sites

Ernie Piini

NCHALADA XIV
October 29, 1988

Names on the Moon

John E. Westfall

Martian Observations

Bill Sorrells

NCHALADA XIII
July 9, 1988

American Telescopes and Observatories: A History Stressing the Human Side

Ron Oriti

Which Astronomical Sites Should Be National Historic Landmarks?

Norm Sperling

NCHALADA XII
April 30, 1988

The First Century of Lick Observatory: The 19th Century

John Gustafson

The First Century of Lick Observatory: The 20th Century

Don Osterbrock

NCHALADA XI
February 27, 1988

Sky Mapping

Rich Wood

History of Spectroscopy

E.T. Florence

NCHALADA X
November 14, 1987

The Astronomical Herschels

E.T. Florence

Eclipses

Steve Greenberg

NCHALADA IX
August 15, 1987

Astronomy and Computers

Rich Wood

Rocketry Through Sputnik

James T. Green

NCHALADA VIII
April 11, 1987

Old Introductory Astronomy Textbooks

Norm Sperling

Astronomy in Science Fiction

Rich Wood

NCHALADA VII
January 10, 1987

Evolution of Stellar Evolution

Wally Beardsley

History of Lunar Observing

Nancy Cox

NCHALADA VI
September 20, 1986

Cosmology From Before Genesis to Copernicus

Betty Neall

George Davidson

Ed Florence

NCHALADA V
May 31, 1986

Ancient Astronomical Instruments

Alan Fisher

History of Discovery of Galaxies

Joe Tenn

NCHALADA IV
February 22, 1986

Discovery of the Outer Planets

Don Stone

Discovery of the Asteroids

Walt Masten

NCHALADA III
October 5, 1985

Ancient Greek Astronomy: Hellenic

Beth Buder

Ancient Greek Astronomy: Hellenistic

John Westfall

NCHALADA II
May 18, 1985

Bay Area Observatories

Wally Beardsley

Giant Telescopes of the 19th and 20th Centuries

Bob Seidel

NCHALADA I
February 23, 1985

Comets Through History

Ron Oriti

19th Century American Refractors

Norm Sperling



Copyright İ 2001, 2002 Bruce R. Mehlman
see http://www.theeel.com/~bruce/c2002