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86 billion vs. 200 billion, enormity, epic proportions, neurons, stars....... how the number has been computed.... golgi stain, percentage of stain in a defined area, need to extrapolate, problem is uneven distribution of neuron, 2 variables..........current estimate involves dissolving the membranes of brain cells, staining nuclei of neurons and glia, measure signal intensity from neurons' fluorescent tag

New evidence released today gives us a look at the universe less than a trillionth of a second after the Big Bang. Image of a portion of the Milky Way galaxy by Serge Brunier / NASA

Constellation Cygnus with multiple nebulae visible Canvas Art - Rolf GeissingerStocktrek Images (28 x 28)

Constellation Cygnus with multiple nebulae visible Canvas Art - Rolf GeissingerStocktrek Images (28 x 28)

Nebulae in the Northern Cross Credit & Copyright: Rolf Geissinger

LG OLED65G6P 4K UHD TV with High Dynamic Range. Best prices for LG TV's

LG to launch more affordable and OLED TVs later this year

How-To: Astrophotography 101 | Popular Photography

How-To: Astrophotography 101

Lost in Light – Les différents stades de pollution lumineuse (image)

Telescopio Hubble capta 'excepcional' imagen de una galaxia.

The NASA/ESA Hubble Space Telescope has produced a sharp image of NGC a spiral galaxy seen exactly side-on. Its disk is slightly warped by ongoing interactions with a nearby galaxy, and it is crisscrossed by clearly defined dust lanes and bright nebulae.

NGC 2683: Spiral Galaxy Edge On

NGC 2683: Spiral Galaxy Edge On

STScI astronomers and co-investigators gained first glimpse of the region near a black hole, where stream of subatomic particles spewing outward at nearly the speed of light is formed into beam that goes nearly straight for thousands of light-years.

An Introduction to Black Holes

Black Holes Pictures : Black Hole in Galaxy Emits Jet of High-Speed Electrons

Rosetta nebula

The Rosette Nebula. (credit & copyright: Robert Gendler) Pink stars in outer space!

voie lactée

Celestial arch - Stephane Vetter - Wildlife Photographer of the Year 2011 : Wildscapes - Winner

FIRST EVER- Black Hole caught in the act of swallowing a star!

Scientists have caught a monster black hole swallowing a star for the first time ever. The black hole Swift ate a star 1 million times the mass of the sun, scientists say.

El cielo marca el camino

One of the more beautiful Milky Way photos I’ve seen. This one is taken over the two small towns of Gerlach and Empire, Nevada.