A nice graphic compiling the orbits of all known exoplanets. Interesting to note that all are within ~5.5 AU (Jupiter distance) of their parent star - this must be the cut-off point for the planet causing any detectable star-wobble. And a further filter to our detection is that we're only able to spot planets in systems horizontally-aligned with our own. Considering this, it's all the more amazing that astronomers have found so many.
[full screen vid]
http://player.vimeo.com/video/19642643
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[img]http://boxall.no-ip.org/img/iso_userbar.jpg[/img]
[img]http://boxall.no-ip.org/img/aliens_userbar.jpg[/img]
[i]Time will perfect matter.[/i]![http://boxall.no-ip.org/img/iso_userbar.jpg[/img]](http://boxall.no-ip.org/img/iso_userbar.jpg[/img]){kind=link}
![http://boxall.no-ip.org/img/aliens_userbar.jpg[/img]](http://boxall.no-ip.org/img/aliens_userbar.jpg[/img]){kind=link}