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Venus Transit 2004

ETH World 2000-2005

The ETH World program came to an end in 2005. This website is no longer updated and contains archival information about the activities.

Huge interest in Venus Transit webcast


The live webcast of the Venus Transit on 8th June 2004 attracted huge attention. Over 46 000 persons visited the website, in order to follow how Venus wandered as a black spot across the sun dial.

ETH World and the Network for Educational Technology, NET, webcast this rare event from the solar observatory of ETH Zurich and from the Istituto Ricerche Solari Locarno. The huge interest was not totally without problems: at times the website was completely overloaded.

ETH World will document the experiences of this webcast, in order to make them available to other ETH units that would like to use videostreaming technology to make an event available to a larger off-site audience.


Venus Transit 2004: Webcast with ETH World


In the morning of June, 8 2004 the planet Venus will transit in front of the sun. Venus will appear as a small point moving in front of the sun. ETH World will allow you to follow this rare event live on the internet. The transmission will take place from a telescope at ETH Zürich and from Istituto Ricerche Solari Locarno.


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