1989 in science
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The year 1989 in science and technology involved many significant events, some listed below.
Contents |
[edit] Astronomy
- August – the asteroid 4769 Castalia is the first asteroid directly imaged, by radar from Arecibo.
- September 5 – Pluto–Charon barycentre comes to perihelion.[1]
- Asteroid 5128 Wakabayashi is discovered by Masahiro Koishikawa.
- 4292 Aoba is discovered.
- 4871 Riverside is discovered.
- 6089 Izumi is discovered.
- 6190 Rennes is discovered
- 8084 Dallas is discovered.
[edit] Biology
- The New Zealand Department of Conservation begins to implement a Kakapo Recovery Plan.[2]
[edit] Environment
- The global concentration of carbon dioxide in Earth's atmosphere reaches 350 ppm (parts per million) by volume.
[edit] Computer science
- July 26 – A federal grand jury indicts Cornell University student Robert Tappan Morris, Jr. for releasing a computer virus, making him the first person to be prosecuted under the 1986 Computer Fraud and Abuse Act.
[edit] Medicine
- The Oxford Database of Perinatal Trials begins publishing online.[3]
[edit] Physics
- March 23 – Stanley Pons and Martin Fleischmann announce cold fusion at the University of Utah.
[edit] Awards
[edit] Deaths
- February 27 – Konrad Lorenz (b. 1903), zoologist.
- August 12 – William Bradford Shockley (b. 1910), physicist.
- August 20 – George Adamson (b. 1906), wildlife conservationist.
- August 29 – Peter Scott (b. 1909), conservationist.
- October 11 – M. King Hubbert (b. 1903), geophysicist.
- December 14 – Andrei Sakharov (b. 1921), nuclear physicist.
[edit] References
- ^ "Horizon Online Ephemeris System for Pluto Barycenter". JPL Horizons On-Line Ephemeris System @ Solar System Dynamics Group. http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=mb&sstr=9. Retrieved January 16, 2011.
- ^ Powlesland, R. G. (1989). Kakapo Recovery Plan 1989–1994. Wellington: Department of Conservation.
- ^ "About the Cochrane Library". The Cochrane Library. Archived from the original on 5 January 2011. http://www.thecochranelibrary.com/view/0/AboutTheCochraneLibrary.html#ABOUT. Retrieved January 25, 2011.
