Post by Chicago Astronomer - Astro Joe on Nov 29, 2005 3:57:13 GMT -6
Shadows Of Venus
Huntsville AL (SPX) Nov 29, 2005
It's often said (by astronomers) that Venus is bright enough to cast shadows. So where are they? Few people have ever seen a Venus shadow. But they're there, elusive and delicate—and, if you appreciate rare things, a thrill to witness.
Attention, thrill-seekers: Venus is reaching its peak brightness for 2005 and casting its very best shadows right now.
Difficult, yes, but worth the effort, he says. After all, how many people have seen themselves silhouetted by the light of another planet?
If you'd like to try, this is the week. Your attempt must come before Dec. 3rd. After that, the crescent moon will join Venus in the evening sky, and any shadows you see then will be moon shadows.
Instructions: Find a dark site (very dark) with clear skies and no manmade lights. Be there at sunset. You'll see Venus glaring in the southern sky: diagram. When the sky fades to black, turn your back on Venus (otherwise it will spoil your night vision). Hold your hand in front of a white screen—e.g., a piece of paper, a portable white board, a white T-shirt stretched over a rock—and let the shadow materialize.
More here: www.spacedaily.com/news/venus-05u.html
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I of course will never catch a Venus ray, but it would be cool to hear from those in coveted darkened skies who have!...
I have also read about truly dark skies where clouds and trees are silhouetted against the brightness of the stars.
Too cool... ;D