Video wird geladen...

Video konnte nicht geladen werden

Zur Startseite

Breaking: Hubble Telescope Opens a "Window" into the Dark Universe — First-Ever Detection of a Starless Dark Matter Cloud! In a groundbreaking discovery announced by NASA, the Hubble Space Telescope has revealed an entirely new class of cosmic object: a vast, starless cloud dominated by dark matter, rich in...

10,671 Aufrufe • vor 6 Monaten •via X (Twitter)

0 Kommentare

Keine Kommentare verfügbar

Kommentare vom Original-Post werden hier angezeigt

Ähnliche Videos

The Milky Way and Andromeda are currently separated by about 2.5 million light-years. Drawn together by gravity, Andromeda approaches us at roughly 110 km/s. Though this speed is immense, the vast cosmic distances mean the process will unfold slowly over billions of years. Recent studies using data from Hubble and Gaia suggest the long-predicted merger is not certain: there's roughly a 50% chance the galaxies will collide and merge within the next 10 billion years, with only a small probability of it beginning in the classic ~4–5 billion-year timeframe. As the galaxies interpenetrate, powerful gravitational tides would eject enormous streams of stars, gas, and dust—forming glowing tidal tails that trail across space like celestial ribbons. New star formation would flare in compressed gas clouds, lighting up the chaos with brilliant nebulae. Despite the dramatic term "collision," individual stars are so sparsely distributed that direct crashes would be exceedingly rare. Instead, gravity would gently reshuffle orbits: some systems flung to the outskirts, others spiraling toward a shared center. At the hearts of both galaxies lie supermassive black holes—ours at ~4 million solar masses, Andromeda's far larger. Over eons, they would inspiral and coalesce in a cataclysmic union, unleashing ripples of gravitational waves across the cosmos. In the end, the spirals we know would dissolve into a single, grand elliptical galaxy—a transformed beacon in the Local Group, born from one of the universe's most patient spectacles. 🎥 skywolf400

Dreams N Science

365,976 Aufrufe • vor 7 Monaten

In July 1994, NASA's Hubble Space Telescope captured one of the most dramatic events ever witnessed in our solar system: the spectacular collision of Comet Shoemaker-Levy 9 with Jupiter—the first-ever directly observed impact between two solar system bodies.Discovered just a year earlier, the comet had already been torn into a dramatic "string of pearls" of roughly 21 fragments by Jupiter's powerful tidal forces during a close pass in 1992. Those pieces then slammed into the giant planet at staggering speeds of about 60 km/s (over 130,000 mph) between July 16 and 22, 1994.The crashes unleashed enormous fireballs and ejected massive plumes of material high above the cloud tops, excavating debris from Jupiter's deeper atmospheric layers. Hubble's razor-sharp images revealed huge, dark scars—some stretching more than Earth's diameter across—etched into the planet's southern hemisphere. These eerie black blemishes, composed of impact debris and altered chemistry, lingered for months and were so prominent they could be spotted even through modest backyard telescopes. The towering plumes provided astronomers an unprecedented window into Jupiter's hidden chemistry, revealing sulfur compounds and other materials dredged up from below the visible clouds. This once-in-a-lifetime spectacle revolutionized our knowledge of cosmic collisions, dramatically underscored Jupiter's vital role as the solar system's gravitational "sweeper" that deflects or captures many potential Earth-threatening objects, and fueled major advances in planetary defense strategies. Source: NASA Goddard Space Flight Center (with imagery from Hubble observations)

Black Hole

15,378 Aufrufe • vor 5 Monaten

Astronomers just watched a star explode - and saw its insides exposed. For the first time in history, scientists got a direct look inside a star at the moment it went supernova - revealing inner layers that had, until now, only existed in theory. A massive star 2.2 billion light-years away reached the end of its life and exploded in a brilliant burst of light. But something was off. When researchers analyzed the spectrum of light from the explosion, they didn't see the usual lighter elements like hydrogen, helium, or oxygen. Instead, they saw silicon. Sulphur. Argon. Elements normally buried deep inside a star's core. This wasn't supposed to be possible. According to stellar models, massive stars - those at least eight times the mass of our Sun - are layered like onions. Their cores are packed with heavy elements like iron, while progressive lighter layers of silicon, oxygen, and carbon sit above. Hydrogen and helium form the outermost shells. These outer layers usually obscure everything underneath. Astronomers believe the star violently ejected its outer layers in the final stages of life – not just the hydrogen and helium, but even the middle shells that hide the deeper interior. It’s possible that extreme instability in stars more than 100 times the mass of our Sun could cause this kind of shedding. While similar “pre-explosion outbursts” have been seen in other stars, this is the first time they’ve exposed the inner structure so clearly. The supernova was first detected by the Zwicky Transient Facility in California. Within 24 hours, astronomers triggered rapid follow-up observations with Hawaii’s Keck Observatory and captured the light signature before the explosion faded. That speed was critical. Supernovae evolve quickly, sometimes over just a few hours, and once the star’s material expands and cools, the deeper layers disappear from view. Read the study: Schulze, Steve, et al. “Extremely Stripped Supernova Reveals a Silicon and Sulfur Formation Site.” Nature Credit: Keck Observatory/Adam Makarenko

Black Hole

26,579 Aufrufe • vor 11 Monaten

A new cosmic eye has opened on the roof of the world. In the Chilean Andes, atop Cerro Chajnantor, the six-meter FYST telescope (pronounced "feast") has been commissioned. The observatory is installed at an altitude of almost 5,600 meters above sea level, higher than Everest Base Camp. Everyone who ascends to the observatory is given an oxygen tank and undergoes a pre-climb medical examination. These sacrifices are no accident. FYST detects submillimeter radiation—wavelengths between infrared light and radio waves. Water vapor in the atmosphere absorbs these waves almost completely, so these signals can only be used in the driest and highest places on the planet. The Atacama Desert is ideal—it's one of the driest places on Earth. Hidden inside is a clever Crossed-Dragone optic: two mirrors are positioned at an angle to each other, without a shared axis. The design eliminates interference and produces a clear image over a wide field. The main instrument is the Prime Cam camera with seven interchangeable detector modules, totaling more than 100,000 superconducting sensors. FYST's sky imaging speed is ten times faster than its predecessors. The project's goals are ambitious. Searching for traces of primordial gravitational waves in the cosmic microwave background radiation. Mapping galaxy clusters throughout the history of the Universe. Observing the birth of stars within dust clouds. And then there's the Epoch of Reionization—the moment when the young Universe became transparent. Submillimeter light passes through dust, which completely blocks visible light, so FYST will see what conventional telescopes cannot. The structure was assembled in Germany from Invar alloy, which is virtually unaffected by temperature changes. Then everything was disassembled, shipped across the Atlantic, and driven almost 500 kilometers along the Andes mountain roads. It took 34 years from the first drawings to the launch.

Black Hole

19,474 Aufrufe • vor 3 Monaten

We just saw the exact moment a star exploded for the first time ever. Astronomers have achieved a rare feat: imaging the exact moment a massive star detonated—and the explosion was anything but spherical. SN 2024ggi, a supernova located 22 million light-years away in the spiral galaxy NGC 3621, was detected a mere 26 hours after ignition. This extraordinarily early discovery allowed researchers to train the European Southern Observatory’s Very Large Telescope in Chile on the event while it was still in its infancy. Using the technique of spectropolarimetry—which analyzes the polarization of light to reveal geometric structure—the team uncovered a surprising truth: the expanding shockwave was distinctly aspherical, elongated into an “olive” or prolate shape along one primary axis. This asymmetry means the catastrophic rebound following the star’s core collapse did not propagate uniformly in all directions, directly contradicting the long-standing assumption that the deepest layers of a core-collapse supernova explode spherically. The progenitor was a red supergiant 12–15 times more massive than the Sun that had exhausted its nuclear fuel, triggering gravitational collapse of its iron core. In most supernovae, the initial shape of this breakout is quickly obscured as the blast wave slams into the star’s outer envelope. Here, however, astronomers captured polarized light signatures of the still-unobscured ejecta, freezing the explosion’s geometry in time. The discovery carries far-reaching consequences. It strongly suggests that asymmetry is common, if not universal, in the earliest phases of massive-star deaths. Current theoretical models, which often assume spherical symmetry at the core, will need significant revision. Moreover, these distorted explosions could help explain observed peculiarities in supernova remnants, the production of gamma-ray bursts, and the kicking of neutron stars and black holes to high speeds at birth. By catching a star in the act of dying asymmetrically, SN 2024ggi has given us a vivid glimpse into the violent, chaotic physics that govern the final heartbeat of the universe’s most massive stars. [🎞️ Artist’s animation of a supernova explosion] [Unique shape of star’s explosion revealed just a day after detection. ESO, 2025]

Massimo

363,612 Aufrufe • vor 8 Monaten

Marc Andreessen just stripped artificial intelligence down to what it’s really made of. Not the algorithms. Not the data centers. The raw material. Andreessen: “They’re literally made out of sand.” The most abundant, most overlooked substance on the planet. You walk on it. Build with it. Wash it off and forget it exists. Someone looked at that and saw a mind. The universe spent 13.8 billion years turning matter into consciousness. Carbon. Water. Amino acids. Eons of chemistry and selection pressure to produce a single thinking brain. We did it with sand. In under a century. Andreessen: “We light it up, and we put AI on it, and all of a sudden it’s thinking.” Biology was the first path matter found to become aware. Silicon is the second. The universe doesn’t care what material consciousness runs on. Only that the pattern is right. We just proved the pattern isn’t biological. Thought was never exclusive to flesh. Flesh was just the first material organized enough to produce it. Andreessen: “We’ve turned sand into thought.” The most profound thing about that sentence isn’t that we taught sand to think. It’s that sand was always able to. Every grain on every beach on Earth carried the capacity for thought. For billions of years. Waiting for something conscious enough to arrange it. Consciousness isn’t an accident that happened once on one rock. It’s what matter does when the pattern is right. The pattern is matter getting curious about itself. The universe isn’t dead matter with pockets of awareness. It’s dormant awareness we’ve only just started to wake. Every civilization that ever looked at the stars and wondered if it was alone was standing on the answer. We didn’t build a thinking machine. We proved the universe was always capable of thought. It just needed one species curious enough to rearrange the sand.

Dustin

20,776 Aufrufe • vor 9 Tagen

WINDSOR POLICE NEWS RELEASE Case #: 26-14175 Four suspects sought after group assault The Windsor Police Service is seeking the public’s assistance in identifying four suspects following a group assault earlier this month. At approximately 2:30 a.m. on February 8, 2026, four individuals entered a business in the 400 block of Ouellette Avenue after being dropped off in a silver Dodge Caravan. Shortly after entering, the suspects got involved in a verbal altercation with lone male, which escalated into a physical assault. The victim sustained significant, but non-life-threatening, injuries. Following the incident, the four suspects fled the scene on foot, running northbound on Ouellette Avenue. The Windsor Police Major Crimes Unit have taken carriage of the investigation and are looking to identify and locate the four suspects. The first suspect is described as a white male with dark hair styled with length on top and shorter, faded sides. He had a prominent dark mustache and goatee. At the time of the incident, he wore a short-sleeved white T-shirt featuring a small black horizontal detail on the left chest, black pants or joggers, and solid white sneakers. He was also wearing a silver or metallic watch on his left wrist. The second suspect is described as a white male with dark slicked-back hair. At the time of the incident, he wore a long-sleeved white shirt or thermal under a black quilted or puffer vest, black pants, and heavy black boots or dark shoes. Investigators noted that he was frequently seen with his hands behind his head or neck. The third suspect is described as a white male with dark medium-length hair, a thick dark beard, and a mustache. At the time of the incident, he wore a short-sleeved white T-shirt, black pants, and white sneakers with dark or blue accents. He also wore a hat featuring a white circular logo on the front. The fourth suspect is described as a male with dark shaggy hair in a bowl-cut style with bangs. At the time of the incident, he wore an olive green or dark tan short-sleeved T-shirt, black pants, and sneakers with thick white soles. He was also wearing a distinct thick silver or gold-toned chain necklace. Anyone with information is asked to contact the Windsor Police Major Crimes Unit at 519-255-6700, ext. 4830. Anonymous tips can also be submitted to Windsor & Essex County Crime Stoppers at 519-258-8477 (TIPS) or online at

Windsor Police

1,421,122 Aufrufe • vor 5 Monaten

The question "what existed before the Big Bang" breaks physics at a grammatical level. "Before" requires time. Time didn't exist yet. Stephen Hawking's answer was the cleanest: asking what came before the Big Bang is like asking what's north of the North Pole. The question itself is malformed. Time is a property of the universe, not a container it sits inside. But physicists kept pushing. Neil Turok's CPT-symmetric model says the Big Bang didn't create one universe. It created two. Ours runs forward in time with matter. The other runs backward in time with antimatter. Same event, two directions. If true, there's a mirror version of everything that ever happened, playing in reverse on the other side of t = 0. Then there's the Big Bounce. Our universe is the rebound of a previous universe that contracted to near-zero size and exploded outward again. The Big Bang wasn't a beginning. It was a heartbeat in an infinite cycle. Alan Guth went further. His cosmic inflation theory says before our Big Bang, empty space was expanding exponentially and spawning pocket universes like bubbles in boiling water. Our entire observable universe, 93 billion light-years across, is one bubble. There could be an infinite number of others we will never see or contact. The wildest part: we might actually be able to test some of these. The cosmic microwave background, radiation left over from 380,000 years after the Bang, carries faint patterns that different theories predict differently. The answer to "what came before everything" might already be written in the oldest light in the sky.

Aakash Gupta

121,723 Aufrufe • vor 3 Monaten