Category archives: Pictures

 

 

 

Blue sun bursting

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Image Credit & Copyright: Alan Friedman (Averted Imagination)

Image Credit & Copyright: Alan Friedman (Averted Imagination)

Our Sun is not a giant blueberry. Our Sun can be made to appear similar to the diminutive fruit, however, by imaging it in a specific color of extreme violet light called CaK that is emitted by the very slight abundance of ionized Calcium in the Sun’s atmosphere, and then false color-inverting the image. This solar depiction is actually scientifically illuminating as a level of the Sun’s chromosphere appears quite prominent, showing a crackly textured surface, cool sunspots appearing distinctly bright, and surrounding hot active regions appearing distinctly dark.

 

 

 

 

Amazing examples of animal camouflage (18 pictures)

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Image credits: Art Wolfe

Image credits: Art Wolfe

In nature, every advantage increases an animal’s chances of survival, and therefore its chances of reproducing. This simple fact has caused animal species to evolve a number of special adaptations that help them find food and keep them from becom­ing food. One of the most widespread and varied adaptations is natural camouflage, an animal’s ability to hide itself from predator and prey.

 

Moqui marbles and Martian Blueberries

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Photographer: Bret Webster; Bret’s Web site; Bret’s Facebook page

Photographer: Bret Webster; Bret’s Web site; Bret’s Facebook page

The photo above shows Moqui Marbles in their native habitat of southern Utah. These curious rocks are actuallyconcretions having iron (hematite) rinds. Very similar rocks, called blueberries, have been observed repeatedly on Mars by the rovers.

 

 

 

Earth's Richat Structure

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Image Credit: NASA/GSFC/METI/Japan Space Systems, and U.S./Japan ASTER Science Team

Image Credit: NASA/GSFC/METI/Japan Space Systems, and U.S./Japan ASTER Science Team

What on Earth is that? The Richat Structure in the Sahara Desert of Mauritania is easily visible from space because it is nearly 50 kilometers across. Once thought to be an impact crater, theRichat Structure’s flat middle and lack of shock-altered rock indicates otherwise.