the 300th anniversary of the invention of the first orrery by English clock and instrument maker George Graham / /
City
Arzon / Hermosillo / Tucson / Denbigh / Fort Worth / Hamburg / Watsonville / Astronomical Forum Kharkov / New York / Belfast / Beijing / London / /
Company
the Sun / Coronado Technology Group / Orion / Sky Publishing Corp. / Duncan Steel / Oracle / AR M AG / Optronic Technologies / Decisions Investments / Universal Time / Block Decisions Investments Corporation / Ju Sa / John Wiley & Sons / Jodrell Bank Observatory / /
Country
China / Wales / Northern Ireland / Mexico / Columbia / United Kingdom / /
Currency
GBP / USD / pence / / /
Event
Employment Change / M&A / /
Facility
Heliospheric Observatory / Columbia University / Orbiting Solar Observatory / University of Sonora / US Naval Observatory’s Flagstaff Station / Armagh Observatory / Fort Worth / National Mall / Beijing Planetarium / /
Holiday
Memorial Day / /
IndustryTerm
steel disks / stainless-steel rings / real time / telescope giant / direct seller / outer gas giant planets / stellar systems / similar steel disks / online discussion groups / /
NaturalFeature
San Bernardino National Forest / /
Organization
Columbia University / University of Sonora / UK Particle Physics and Astronomy Research Council / Armstrong Primary School / American Association of Variable Star Observers / Northern Ireland Department of Culture / Arts and Leisure / National Aeronautics and Space Administration / /
Person
Apostolos A. Christou / Janet A. Mattei / Arne A. Henden / Rainer Kracht / RICHARD TRESCH FIENBERG / Tom Riederer / Tim Gieseler / Venus March / Edward P. Bass / Yang Liwei / Mercury / Telescope David Lunt / Charles Boyle / George Graham / Biosphere / GARY SERONIK / David J. Asher / Mark E. Bailey / David Lunt / Richard Robinson / Lou Dobbs / Geraldine Hogan / Earth Ma Mars / Denis Svechkarev / Martin Birkmaier / Robert Stephens / Don McCarthy / Arleen Heimann / Anne Adkins / Harold Healy / Lee Snyder / Bob Frybarger / Jacqueline Rousson / / /
Position
president / amateur astronomer / senior research scientist / first astronaut / Armagh archbishop / Director Named S&T / consultant / founder and principal optical designer / teacher / instrument maker / director / registrar / columnist / high-school teacher / observer / senior research scientist in Arizona / consultant for Strategic Defense Initiative / /
the astronomy scene The Human Orrery: Putting the Solar System in Perspective An interactive outdoor exhibit in Northern Ireland explains the motions of the Sun’s family members. By Mark E. Bailey, David J. Asher, and