LINKS

General

http://sunearth.gsfc.nasa.gov/eclipse/transit/TV2004.html predictions for the Venus transit of June the 8th 2004 by Fred Espenak (NASA) and Jay Anderson. All the information needed to observe the transit.
http://sunearth.gsfc.nasa.gov/eclipse/transit/transit.html all kinds of information related to transits, including a large catalogue of the Mercury and Venus transits.
http://sunearth.gsfc.nasa.gov/sunearthday/2004/index_vthome.htm Page of the Sun-Earth Day.
http://www.space.com/spacewatch/venus_transit_040206.html : general information about the Venus transit of June the 8th 2004. Vat is it and how to observe it, ...
http://www.transitofvenus.org/ : a very good page with information aboout the Venus transit of June the 8th 2004. Large compilation of links.
http://www.lunar-occultations.com/iota/2004venus/2004venus.htm : page of the IOTA (International Occultation Timing Association) about the Venus transit, with predictions for the main cities around the world..
http://www.ucm.es/info/Astrof/obs_ucm/tran_venus_jun_04/transito_venus_junio04.html page for the Venus transit of June the 8th 2004 at the Astronomy Department of the Universidad Complutense de Madrid, with large compilation of links (Spanish).
http://www.transit-of-venus.org.uk/ : IAU colloquium 196 about the Venus transit (University of Central Lancashire, 7th-11th June 2004)
http://nicmosis.as.arizona.edu:8000/POSTERS/TOM1999.jpg description of the “black drop” effect (very technical).

http://www.ucm.es/info/Astrof/obs_ucm/tran_venus_jun_04/transito_venus_junio04.html :Universidad Complutense de Madrid
http://www.iac.es/da/telescopio/venus04/venus04_main.html : Universidad de La Laguna
http://www.astrosurf.com/saros/venus2004.html SAROS expedition
http://www.exploratorium.edu/webcasts/index.html : Live broadcast from Athens (Greece) by the NASA's Sun-Earth Connection Education Forum and the San Francisco's Exploratorium.
http://www.ip.pt/coaa/transit.htm live broadcast of the transit from Portimão (Portugal) by the Centro de Observação Astronómica no Algarve.

http://www.dsellers.demon.co.uk/venus/ven_ch1.htm abridged electronic version of the book The Quest to Find the True Distance of the Sun by D. Sellers, narrating the history of the Venus transits and its relationship with the determination of the Sun-Earth distance.
http://www.dsellers.demon.co.uk/venus/ven_ch8.htm Edmond Halley’s 1716 communication to the Royal Society of London proposing the use of Venus transits to measure the Sun-Earth distance.