2004 transit of Venus: Difference between revisions

The most recent transit of Venus when observed from Earth took place on June 8, 2004. The event received significant attention, since it was the first Venus transit to take place after the invention of broadcast media. No human alive at the time had witnessed a previous Venus transit, since the previous Venus transit took place on December 6, 1882.

European Southern Observatory (ESO) and the European Association for Astronomy Education (EAAE) launched the VT-2004 project, together with the Institut de Mécanique Céleste et de Calcul des Éphémérides (IMCCE) and the Observatoire de Paris in France, as well as the Astronomical Institute of the Academy of Sciences of the Czech Republic. This project had the intention of using this celestial event to try to transform people's curiosity into knowledge and interest in science through a broad set of actions.

This project had 2763 participants all over the world, including nearly 1000 school classes. The participants made a measurement of the astronomic unit (AU) of 149 608 708 km ± 11 835 km which had only a 0.007% difference to the accepted value.

The transit was best seen from Europe, Asia and Africa, although eastern North America caught the end of it. Western North America did not see it at all, nor did Hawaii or New Zealand. The regions from which the transit were visible are shown on the map to the right.

The following table and image give times for various events (respectively, first contact, second contact, the mid-point, third contact and fourth contact) during of the transit on June 8, 2004 for a hypothetical observer at the center of the Earth. Due to parallax, actual observed times may differ by as much as ±7 minutes at different observation points on Earth.

Times (UTC) for observations of the transit on June 8, 2004
I	II	Mid	III	IV
05:13:29	05:32:55	08:19:44	11:06:33	11:25:59

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  2004 transit as seen from Bangalore at 07:41 UTC, about two hours into the transit. The image is inverted compared to the diagram above, so Venus is seen near the top of the Sun's disc
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  Third contact (compare to III in the diagram above) of the 2004 Venus transit as seen from the central part of the United States
• Animation depicting the transit of Venus from the perspective of Earth
• Close-up video of the 2004 Venus transit, recorded in the ultraviolet part of the spectrum

• Transit of Venus
• Transit of Venus, 2012

• June 8, 2004: The Transit of Venus by John E. Westfall, ALPO
• The Venus Transit Across the Sun; observations from Hartwick College in Oneonta, NY, USA
• Several videos of the transit as seen by the TRACE satellite
• Archive of observations in Bangalore
• Predictions for the 2004 Transit of Venus
• The Transit of Venus: Where to See It
• Photos taken by BBC News readers
• Venus Transit 2004 Homepage at European Southern Observatory
• Venus Transit 2004 - Miami, FL, USA
• HM Nautical Almanac Office: 2004 Transit of Venus
• Astronomy Picture of the Day 2004 June 10 -- Transit closeup photo
• Images of the 2004 Transit of Venus by Crayford Manor House Astronomical Society