20 Jan 2012

(Please click images to enlarge)
Venus transit will happen this year from 5th-6th June but this will only be visible in its entirety from Hawaii, Alaska, Australia the Pacific and Eastern Asia with the beginning of the transit visible from North America and the end visible from Europe.

Venus usually passes under or over the sun in its diagonal orbit, but there are two points in its orbit when it passes directly in front of the sun in its 225 day orbit, but the Venus transit only happens when Venus, Earth and the Sun directly line up as shown in this diagram.

The top shows Venus on its normal orbit and the bottom shows the Venus transit.

This will be an amazing spectacle lets hope it gets broadcast for all to see, as it will be 105 years till it happens again, in 2117, and then it will happen again in 8 years at 2125, and will go on and on for a very long time going 105 years then 8 years 105 years 8 years and on and on. The last time it happened was June 8th 2004, and the first recorded time was November 23 1396, people believe that Aztec astronomers may have seen this transit.

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Anonymous Anonymous said...

I'll be sur to pu this in my diary. Any idea what time of day it will happen in Europe?

21 January 2012 at 12:10  
Blogger Annelisa said...

Hi there. Thanks for this. I just looked it up, and in Europe it's the end of the transit at sunrise

22 January 2012 at 11:43  
Anonymous Anonymous said...

An excellent account - well done!

23 January 2012 at 10:01  
Blogger Ophiuchus said...

This is really good...and very helpful too (you're way ahead of me looking this up...I'm still working up to February :-) ) Good stuff!

23 January 2012 at 12:14  
Blogger little green man said...

This comment has been removed by the author.

24 January 2012 at 17:43  

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