Black Holes

In Colliding Galaxies, A Pipsqueak Shines Bright

In the nearby Whirlpool galaxy and its companion galaxy, M51b, two supermassive black holes heat up and devour surrounding material. These two monsters should be the most luminous X-ray sources in sight, but a new study using observations from...
Related topics: Space, NASA

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Astronomers Spot A Supermassive Black Hole Bouncing Jets Across Its Galaxy

Supermassive black holes lurk in the hearts of every large galaxy. Some blast out jets that can spill into its host galaxy or even beyond. The energy carried by the jets is deposited in the surrounding material, playing a crucial role in the...
Related topics: Space, Galaxies

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Elizabeth Warren: Making Fiscal Black Holes Great Again

NASA defines black holes as "a great amount of matter packed into a very small area ... the result is a gravitational field so strong that nothing, not even light, can escape." That makes Sen. Elizabeth Warren, D-Mass. is the candidate of fiscal...
Related topics: NASA, Space

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A Philosopher Asked Physicists: 'what Is A Black Hole?'

Ask a dozen physicists what a black hole is, and you may get a dozen different answers – at least if those physicists are from different sub-fields. But new philosophy research suggests that may be okay, and may even lead to more interesting...
Related topics: Physics

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Gravitational Wave Detectors Upgraded To Hunt For 'extreme Cosmic Events' - Cnet

First we saw black hole mergers. Then we saw two neutron stars collide. Now LIGO's gearing up to reveal the secrets of the universe's birth.
Related topics: Neutron Stars

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Philosophy: What Exactly Is A Black Hole?

What is a black hole? A philosopher shows that physicists use different definitions of the concept, depending on their own particular fields of interest.
Related topics: Physics

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Scientists Finally Confirm A Big Theory About Solar System Formation

Planets, stars, and black holes all grow by consuming material from a spinning disk. While these disks may differ in size, they're all mostly dependent on the mighty force of gravity, which keeps them spinning around the central mass. Gravity lets...
Related topics: Space

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Caltech Sees Supernovae, Black Holes ‘ned Stark’ And ‘jon Snow’ Shredding...

A new astronomical project has released its first set of results. It has observed more than one billion of the stars and has made a wealth of discoveries, from 50 small near-Earth asteroids to more than 1,100 supernovae. The post Caltech sees...
Related topics: Asteroids

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Discovering New Particles Using Black Holes

Some theories that go beyond the Standard Model of particle physics predict the existence of new ultralight particles, with masses much below the lightest known particles in nature. When these particles have very weak interactions with ordinary...
Related topics: Physics

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Lonely Black Holes Revealed By Passing Gravitational Waves

Enlarge / 22 January 2019, Lower Saxony, Sarstedt: Lower Saxony's science minister Björn Thümler (l, CDU) and Karsten Danzmann, director at the Max Planck Institute for Gravitational Physics (Albert Einstein Institute) are in the GEO600 detector....
Related topics: Physics, Albert Einstein

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Samsung Galaxy S10 And S10 Plus Leaks In Ceramic Black Ahead Of The Official Launch

Samsung is launching the Galaxy S10 and S10 Plus later this month and while we have known pretty much everything about the device, the design still carries a question mark. We know that Samsung has been working on punch-hole camera design to...
Related topics: Samsung

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Astronomers Map A Black Hole Using 'echoes' Of Light

Black holes pepper our universe, but like their name implies, most are invisible — until something happens to change that. That something is often material flowing into the black hole. And in March 2018, one such previously invisible black hole...
Related topics: Space

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Nasa Unravels Secrets Of 'most Striking' Spiral Galaxy (video)

The images, recorded by observatories in three different wavelengths, allow viewers to examine the structure of the galaxy, discerning between older and younger stars, and spot features like black holes and nebulas.
Related topics: NASA, Space, Science Videos, Nebulas

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Black Hole Jets May Reveal Details Of Event Horizon

Enlarge / Artist's depiction of a black hole. (credit: NASA Goddard Space Flight Center/CI Lab) The problem with black holes is that the most interesting bits are hidden. The gravity of a black hole is such that everything—including light—is...
Related topics: NASA, Space

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This Is A Kickstarter For None More Black

Vantablack is the darkest pigment ever created, capable of absorbing 99.96% of visible light. If you cover something in Vantablack, it turns into a black hole. No detail is presented, and physical objects become silhouettes. Objects covered in...
Related topics: Kickstarter

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New Simulations Show Us How Particles Escape Black Holes

If black holes eat everything that comes near them, then why do we see jets of particles being spit out at nearly the speed of light?        

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How Do Particles Escape Black Holes? Supercomputers May Have The Answer

The gravitational pull of a black hole is so strong that nothing, not even light, can escape once it gets too close. However, there is one way to escape a black hole — but only if you're a subatomic particle.
Related topics: Physics

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Black Hole Death: How Extreme Tidal Forces Turn Humans Into Spaghetti

Like ocean tides caused by gravity, a nearby black hole would create a 'tide' inside your body, which is mostly water.As your body drew nearer to the black hole, your head would be stretched away from your feet.Scientists call this streching...

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Rotating Black Holes May Serve As Gentle Portals For Hyperspace Travel

One of the most cherished science fiction scenarios is using a black hole as a portal to another dimension or time or universe. That fantasy may be closer to reality than previously imagined.Black holes are perhaps the most mysterious objects in the...

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Testing Hawking Radiation In Laboratory Black Hole Analogues

Researchers at Weizmann Institute of Science and Cinvestav recently carried out a study testing the theory of Hawking radiation on laboratory analogues of black holes. In their experiments, they used light pulses in nonlinear fiber optics to...

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