Image Dump VIII (POST YOUR RANDOM IMAGES HERE)

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But seriously.
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cassini-enceladus-titan-flyby-100519-02.jpg

On the left, Saturn's moon Enceladus is backlit by the sun, showing the fountain-like sources of the fine spray of material that towers over the south polar region. On the right, is a composite image of Titan. Credit: NASA/JPL/SSI and NASA/JPL/University of Arizona

wow those look sweet
 
Wait a minute, isn't Titan supposed to have an orange atmosphere.
 
****ing hell, I wish they'd hurry up with Episode 3. 25 years and still nothing.
 
Kleiner has rape face.
Alyx looks more manly than Gordon.
Magnusson has sad face.
 
You did it backwards it's D:} except the middle part has to be angled toward the eyes.
 
Those photos are not funny in any way shape or form and I'm king of the jews.
 
ghostpanel_webster.jpg

Explanation: Long before Stonehenge was built, well before the Dead Sea Scrolls were written, ancient artists painted life-sized figures on canyon walls in Utah, USA -- but why? Nobody is sure. The entire panel of figures, which dates back about 7,000 years, is called the Great Gallery and was found on the walls of Horseshoe Canyon in Canyonlands National Park. The humans who painted them likely hunted Mammoths. The unusual fuzziness of largest figure led to this mural section's informal designation as the Holy Ghost Panel, although the intended attribution and societal importance of the figure are really unknown. The above image was taken during a clear night in March. The oldest objects in the above image are not the pictographs, however, but the stars of our Milky Way Galaxy far in the background, some of which are billions of years old.
 
Sweet pic. So how do they take pictures like that? You can't just leave the aperture open for a long time, because you'll see the stars move across the sky. Super sensitive film? Photoshop?
 
Well I don't think they're moving all that fast... I'm sure you could leave it open for like 30 seconds or a minute and get super bright stars without blur.
 
plus theres no street lights, buildings, or background obstructions. ever go camping during a new moon?? you see so many stars its ridiculous

even better:
skymt_payne_big.jpg

theres a bit of photoshop but its not much

check here for some cool shit
 
Sweet pic. So how do they take pictures like that? You can't just leave the aperture open for a long time, because you'll see the stars move across the sky. Super sensitive film? Photoshop?

A short duration flash illuminates the foreground, and the shutter is left open to expose the background. The foreground will go dark after the flash ends and will not affect the longer exposure. Using a fast lens and high ISO will allow for a shorter exposure so star trails are minimized.

If a fast lens and high ISO are not available, the shots can be taken separately and composited or stacked to add up to a longer exposure.
 
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