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Spiral galaxy M81 as seen though a combination of x-ray optical , ultraviolet and infrared imaging techniques

from Mashable

Monster black hole is the largest and brightest ever found

An artist's illustration of the black hole at the heart of a quasar in the distant universe. The biggest black hole known to exist lives in the nearby galaxy M87. It's 2,000 times bigger than the Milky Way's supermassive black hole.

from Live Science

What Would Happen If You Fell into a Black Hole?

Falling into a black hole would be a rough ride, but there would be some major upshots.

Is Our Universe Inside Another Larger Universe? Theoretical physicist Nikodem Poplawski from Indiana University has proposed that perhaps our universe could be located within the interior of a wormhole which itself is part of a black hole that lies within a much larger universe.

from The Huffington Post

This Is The World's Biggest Rocket (By A Factor Of Two)

Best Space Images Of 2014 - Galaxy NGC4258

In a 16-year long study, using several of ESO's flagship telescopes, a team of German astronomers has produced the most detailed view ever of the surroundings of the monster lurking at our Galaxy's heart — a supermassive black hole. The research has unravelled the hidden secrets of this tumultuous region by mapping the orbits of almost 30 stars, a five-fold increase over previous studies. One of the stars has now completed a full orbit around the black hole.

523.8 SUS - Trous noirs : la guerre des savants / L. Susskind. "Les trous noirs sont les objets les plus mystérieux du cosmos. Leurs propriétés sont si extraordinaires que même Einstein n'admit jamais l'existence de tels monstres... Et pourtant, en observant aujourd'hui l'univers avec leurs télescopes, les astrophysiciens en découvrent partout, nichés au coeur des galaxies !"

from The Huffington Post

Astronomers Baffled By Strange Object Near Center Of Milky Way

This Hubble Space Telescope photo shows NGC 2174, the "Monkey Head Nebula," located 6,400 light-years from Earth.

ikenbot: The Fabric of Space-time Image: What happens to light as it passes through a point of space-time in where mass has been applied, as well as why objects in space orbit the way they do (planets, galaxies, clusters, etc.) Also known as the Space-time Continuum, I’ve always been fascinated about the very space that holds the planet we live on, stars we see at night, solar system we observe, and supernovas we stargaze on telescopes. In astronomy you hear the term space-time get used a…