In August of 2007, astronomers located a gigantic hole in the universe. This empty space, stretching nearly a billion light-years across, is devoid of any matter such as galaxies, stars, and gas, and neither does it contain the strange and mysterious dark matter, which can be detected but not seen. The large void in the Constellation Eridanus appears to be improbable given current cosmological models. A radical and controversial theory proposes that it is a "universe-in-mass black hole"

In August of 2007 astronomers located a gigantic hole in the universe. This empty space, stretching nearly a billion light-years across, is devoid of any matter. A radical and controversial theory proposes that it is a "Universe-in-mass Black hole"

Graphite pencil drawing: *free* More

Subtle shading and contrasts are vital for realism, notice around the nose, and the muscles are 'drawn in' they're hinted at with shading ► beautiful drawing

Light is energy that can take on many forms. Radio waves, microwaves, infrared, visible, ultraviolet, X-ray and gamma radiation are all different forms of light. (Illustration: NASA/CXC/M.Weiss)

is that can take on many forms. Radio microwaves, infrared, visible, ultraviolet, X-ray and gamma radiation are all different forms of light. (Illustration: NASA/CXC/M.

What is Dark Matter?  The second largest component of the universe is dark matter. The truth is, we understand little of what it is, and more of what it is not.

What is Dark Matter? The second largest component of the universe is dark matter. The truth is, we understand little of what it is, and more of what it is not.

NASA Has Released The Largest Picture Ever Taken And It Will Shake Up Your Universe

NASA Has Released The Largest Picture Ever Taken And It Will Shake Up Your Universe. Made of 411 Hubble images, a mammoth billion pixel image aka Gig file.

"The two largest pieces of the Universe that we know the least about, yet nothing less than the ultimate fate of the Universe will be determined by them."

Dark matter and dark energy have always freaked me out/interested me ever since watching Discovery Channel specials about them.

Dark Matter and Dark Energy: The Mystery Explained (Infographic)

Astronomers have discovered a massive galaxy made almost entirely of dark matter. Called Dragonfly the galaxy is basically percent dark matter.

Tree of Life. Charles Darwin, science, biology.

Phylogenetic Tree of Life -The OpenLearn site used to offer this phylogenetic chart in the shape of a tree as a free poster, but no more. They do have an online version of this same illustration, expandable and with links and an explanatory guide.

According to Einstein's General Theory of Relativity, matter bends the fabric of space and time.

How Warp Speed Works

Well, it's a theory anyway. According to Einstein's General Theory of Relativity, matter bends the fabric of space and time.

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