Venus passes across the face of the Sun today...
The last transit of Venus was in 1882 - so no one alive has seen this rare event!!
If your in the uk, I think they are showing it on BBC1,
But they are also showing it online:
You can see where the transit is visable on this map..
Nasa Map
A List of Live Webcams to see it on:
See It Live..
Don't look at it directly unless you fancy being blind!
More safety advice here:
How to observe without damaging your eyes!
Piggle
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