Mark Woodland F.R.A.S

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Is it possible to pull something out of a black hole?

Falling into a black hole is forever… but could a tether to the outside pull you back out?<p><i>“Nobody ever did, or ever will, escape the consequences of</i> …

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Ask Ethan: How Does Dark Matter Interact With Black Holes?

Black holes are some of the most extreme objects in the Universe: a concentration of mass so great that it collapses, under General Relativity, into a singularity at its center. Atoms, nuclei, and even fundamental particles themselves are crushed down to an arbitrarily small thickness in our …

Supersized black hole discovery forces universal rethink

Massive galactic objects, billions of times heavier than the sun, could be more common than was thought, say scientists<p>Our universe could be riddled with monster black holes, new research has suggested.<p>The revelation comes after a black hole with a mass of 17bn suns was found in a large, virtually …

Universe

This Supermassive Black Hole Is the Most Powerful Source of Radiation in Our Galaxy

Sagittarius A shoots out cosmic rays at a staggering rate.<p>At the center of the Milky Way galaxy lies a supermassive black hole known as Sagittarius A. While it already has enough energy to hold our galaxy together, it may be hiding another secret: observations indicate that it's the largest source …

View the Void: Inside Black Holes (Photos)

EVENT HORIZON<p>With Einstein once again shaking up our knowledge of the universe, images from NASA and other star watchers of these mysterious …

This is the most profound explanation I've heard of what it means to detect gravitational waves

Albert Einstein predicted their existence 100 years ago but never believed we'd actually detect the waves. So right now if you hang around physicists, who can't contain their excitement, you're bound to hear some profound scientific poetry.<p>One scientist from the Laser Interferometer …

Gravitational Waves

Entanglement: Gravity's long-distance connection

When Albert Einstein scoffed at a “spooky” long-distance connection between particles, he wasn’t thinking about his general theory of …

Visualization of the Sun's Invisible Magnetic Field

Most of us can appreciate the Sun and all its complexities, but there is a lot going on with the big ball of gas and plasma that goes unnoticed. To …

This New Turborocket Could Revolutionize Air and Space Travel

The RTR engine combines the best of rockets and jets.<p>Ever since the Concorde was put out to pasture, supersonic travel has remained out of reach for commercial air passengers. And while SpaceX and Blue Origin are showing re-usable rocket boosters are possible, actually putting anything in orbit …

After 100 years, scientists are finally closing in on Einstein’s ripples

Ars goes inside ground zero of the search for gravitational waves.<p>LIVINGSTON, La.—The rain began to fall as Joe Giaime and I scrambled down a lonely …

Gravitational Waves

‘Woohoo!’ email stokes rumor that gravitational waves have been spotted

It's just a rumor, but if specificity is any measure of credibility, it might just be right. For weeks, gossip has spread around the Internet that …

This photo of gas streaming from a black hole is the 'highest-resolution image ever seen in astronomy'

What do you get when you combine 15 radio telescopes on Earth and one in space? You get an enormous "virtual telescope" that is 63,000 miles across. And when you point it at a distant black hole, you get the highest resolution image every seen in astronomy.<p>Although it looks just like a big green …

Black Holes

Astronomers Detect Visible Light From Black Hole for First Time

For the first time, astronomers have seen dim flickers of visible light from near a black hole, researchers with an international science team said. In fact, the light could be visible to anyone with a moderate-size telescope.<p>These dramatically variable fluctuations of light are yielding insights …

New knowledge about the remarkable properties of black holes

Black holes are surrounded by many mysteries, but now researchers from the Niels Bohr Institute, among others, have come up with new groundbreaking …

Milky Way's Giant Black Hole Probed Like Never Before

The gigantic black hole at the heart of our Milky Way galaxy is coming into sharper focus.<p>For the first time ever, astronomers have detected magnetic …

The 10 Worst Places To Live In The Universe

And you thought 97 degrees F was bad.<p>Recently, we told you about an exoplanet that rains glass. <i>Sideways</i>. Which got us thinking: 1.) we will never complain about the weather here on Earth again and 2.) surely that's got to be the worst place to live in the entire universe. But no! With the help of …

Cosmic 'Nuclear Pasta' May Be Stranger Than Originally Thought

The crusts of neutron stars — cosmic cousins of black holes — possess a weird form of matter known as "nuclear pasta."<p>Now, scientists have found that …

Neutron Stars Can Produce Jets That Are Just As Powerful As Black Holes'

Step aside, black holes; there’s a new shooter in town. Astronomers have found that neutron stars can create jets of material just as powerful as …

Why Magnetars Should Freak You Out

<i>Paul Sutter is a research fellow at the Astronomical Observatory of Trieste and a visiting scholar at The Ohio State University's Center for</i> …

Knotty network could have powered universe’s early growth spurt

<i>Helping to unravel a cosmic puzzle (Image: PM Images/Getty)</i><p>It’s one of life’s minor irritants, but it could explain why we’re here. Next time the …

Incredible Technology: How to See a Black Hole

<b>Editor's Note:</b> <i>In this weekly series</i><i>, SPACE.com explores how technology</i> <i>drives space exploration and discovery.</i><p>Black holes are essentially invisible, …

How to Find 'Strange Life' on Alien Planets

Detecting signs of life very different from that of Earth in the atmospheres of alien planets may be difficult, but it is possible, researchers say.<p>A …

Powerful phenomena are kicking stars out of our galaxy at speeds of over 1 million miles per hour

Stars are built with the lightest elements in the Universe, hydrogen and helium, but they contain an incomprehensible amount of mass. Our Sun is made of 2 x 10^30 kgs of stuff. That's a 2 followed by 30 zeros. That's 330,000 times more stuff than the Earth.<p>You would think it'd be a bit of challenge …

Universe

Hubble reveals galaxy gas flow and star birth regulated by black-hole jets

In Memoriam: Jacob Bekenstein (1947–2015) and Black Hole Entropy

Sad news reached Jen-Luc Piquant this morning via Jonathan Oppenheim's Twitter feed: physicist Jacob Bekenstein, a professor at the Hebrew University …

Tiniest monster black hole discovered

The smallest supermassive black hole ever identified is gobbling material at rates similar to its larger cousins, providing insights into how these behemoths evolve.<p>Located at the heart of a dwarf galaxy known as RGG 118, the black hole contains about 50,000 times more mass than the sun. It's …

How Does Gravity Escape a Black Hole?

Here’s the deal: nothing can travel faster than light. A black hole traps everything including light. So how does gravity escape a black hole? It’s a …

Supermassive black hole observation made possible by helium hard drives - ExtremeTech

By on August 20, 2015 at 8:27 am<p>This site may earn affiliate commissions from the links on this page. Terms of use.<p>Scientists at the Event Horizon …

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