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Supernova in the galaxy NGC 2525 A supernova explosion was recorded in the spiral galaxy NGC 2525 in early 2018. More precisely, the explosion occurred about 70 million years ago, when dinosaurs were still roaming the Earth, but its light only reached us in 2018. At its peak, this...

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Black Hole

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“Science doesn’t tell us why the Big Bang happened, how the singularity occurred in the first place, or why it exploded when it did. It tells us there is objective scientific evidence that it occurred. So, what exactly was the Big Bang?” – Book III The Enigmatic Mystery

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A supernova explosion in the galaxy NGC 2442 This distant explosion occurred approximately 60 million years ago, around the time the dinosaurs on Earth were going extinct. The dying star's luminosity was billions of times greater than that of our Sun and comparable to the entire center of the galaxy NGC 2442. Such supernovae are among the brightest and most powerful events in the Universe, leaving behind remnants and influencing the evolution of surrounding matter. This cosmic explosion is a reminder of the scale and dynamics of our universe, and how events millions of light-years away can coincide with important stages in the history of life on Earth.
0:32

A supernova explosion in the galaxy NGC 2442 This distant explosion occurred approximately 60 million years ago, around the time the dinosaurs on Earth were going extinct. The dying star's luminosity was billions of times greater than that of our Sun and comparable to the entire center of the galaxy NGC 2442. Such supernovae are among the brightest and most powerful events in the Universe, leaving behind remnants and influencing the evolution of surrounding matter. This cosmic explosion is a reminder of the scale and dynamics of our universe, and how events millions of light-years away can coincide with important stages in the history of life on Earth.

Black Hole

62,116 görüntüleme • 5 ay önce

💥 We can see an expanding nebula with our own eyes! In these images, we can clearly see how the famous Crab Nebula has expanded over the course of 25 years—comparing observations made by the Hubble Space Telescope in 1999–2000 with those from 2024. The Crab Nebula is a supernova remnant that has been expanding for nearly 1,000 years. The supernova explosion was witnessed in 1054; it remained visible to the naked eye for over three weeks—even in the daytime sky—despite being more than 6,000 light-years away. 🌙
0:21

💥 We can see an expanding nebula with our own eyes! In these images, we can clearly see how the famous Crab Nebula has expanded over the course of 25 years—comparing observations made by the Hubble Space Telescope in 1999–2000 with those from 2024. The Crab Nebula is a supernova remnant that has been expanding for nearly 1,000 years. The supernova explosion was witnessed in 1054; it remained visible to the naked eye for over three weeks—even in the daytime sky—despite being more than 6,000 light-years away. 🌙

Black Hole

18,540 görüntüleme • 2 ay önce

When astronomers pointed NASA's Chandra at nearby galaxy M83, the last thing they expected to find was a population of supernova remnants appearing to dramatically change in brightness. More on the discovery: #AAS248
0:27

When astronomers pointed NASA's Chandra at nearby galaxy M83, the last thing they expected to find was a population of supernova remnants appearing to dramatically change in brightness. More on the discovery: #AAS248

Chandra Observatory

26,623 görüntüleme • 3 ay önce

A one-in-a-million chance—and it happened. A team from the Technical University of Munich spent six years compiling a list of promising gravitational lenses and waiting for a supernova to explode behind one of them. In August 2025, it happened. A superluminous supernova 10 billion light-years away was located precisely behind two foreground galaxies—and its light, bent by gravity, produced five images of the same explosion. Typically, lenses produce two or four—five was a surprise even to the authors. The supernova was named SN Winny. The odds of such a coincidence are less than one in a million. But the value of the discovery is enormous. Light from the supernova travels to us along different paths around the lensing galaxies, and each path has its own length. Because of this, the five copies appear with different time delays. By measuring these delays and knowing the mass distribution in the lensing galaxies, one can directly calculate the Hubble-Lemaître constant, or the rate of expansion of the Universe. How is this better than existing methods? The classic "cosmic distance scale" is a multi-step process, with errors accumulating from step to step. Microwave background radiation measurements are precise, but depend on models of the evolution of the Universe. The lensed supernova method is a single-step process, with completely different sources of error. SN Winny is particularly convenient: it is lensed by just two individual galaxies with a simple mass distribution, rather than a complex cluster. SN Winny is currently being observed by telescopes around the world. The results could bring us closer to resolving the Hubble controversy—the discrepancy between the two main methods for measuring the expansion rate.
0:54

A one-in-a-million chance—and it happened. A team from the Technical University of Munich spent six years compiling a list of promising gravitational lenses and waiting for a supernova to explode behind one of them. In August 2025, it happened. A superluminous supernova 10 billion light-years away was located precisely behind two foreground galaxies—and its light, bent by gravity, produced five images of the same explosion. Typically, lenses produce two or four—five was a surprise even to the authors. The supernova was named SN Winny. The odds of such a coincidence are less than one in a million. But the value of the discovery is enormous. Light from the supernova travels to us along different paths around the lensing galaxies, and each path has its own length. Because of this, the five copies appear with different time delays. By measuring these delays and knowing the mass distribution in the lensing galaxies, one can directly calculate the Hubble-Lemaître constant, or the rate of expansion of the Universe. How is this better than existing methods? The classic "cosmic distance scale" is a multi-step process, with errors accumulating from step to step. Microwave background radiation measurements are precise, but depend on models of the evolution of the Universe. The lensed supernova method is a single-step process, with completely different sources of error. SN Winny is particularly convenient: it is lensed by just two individual galaxies with a simple mass distribution, rather than a complex cluster. SN Winny is currently being observed by telescopes around the world. The results could bring us closer to resolving the Hubble controversy—the discrepancy between the two main methods for measuring the expansion rate.

Black Hole

180,949 görüntüleme • 6 ay önce

Every time you look at the stars, you are literally looking back in time. As Professor Brian Cox explains, because light takes time to travel through the vastness of space, we see the Andromeda Galaxy not as it is today, but as it was 2 million years ago. This means that if we look deep enough into the cosmos, we can actually see the oldest light in existence—the Cosmic Microwave Background Radiation—a glowing echo that began its journey 13.8 billion years ago, right at the very dawn of the universe.
0:40

Every time you look at the stars, you are literally looking back in time. As Professor Brian Cox explains, because light takes time to travel through the vastness of space, we see the Andromeda Galaxy not as it is today, but as it was 2 million years ago. This means that if we look deep enough into the cosmos, we can actually see the oldest light in existence—the Cosmic Microwave Background Radiation—a glowing echo that began its journey 13.8 billion years ago, right at the very dawn of the universe.

Cosmos Archive

21,599 görüntüleme • 5 ay önce

In April 2019, the Event Horizon Space Telescope managed to take a picture of the black hole M87* in the galaxy M87. The dimensions of the object are impressive: its mass is about 6.5 billion solar masses, and its event horizon radius (the radius beyond which LIGHT cannot escape) is +-120 astronomical units. 1 AU is the distance from the Earth to the Sun.
1:23

In April 2019, the Event Horizon Space Telescope managed to take a picture of the black hole M87* in the galaxy M87. The dimensions of the object are impressive: its mass is about 6.5 billion solar masses, and its event horizon radius (the radius beyond which LIGHT cannot escape) is +-120 astronomical units. 1 AU is the distance from the Earth to the Sun.

Black Hole

28,018 görüntüleme • 1 yıl önce

Here is how the merger of the Milky Way and Andromeda galaxies would appear to an observer on Earth! An artist's impression 🌀 When the collision begins (in approximately 4.5 billion years), we will see the nearby Andromeda galaxy looking much like the band of the Milky Way. Gradually, their brightness will increase due to the interaction of nebulae, the birth of bright, massive stars, and supernova explosions.
0:31

Here is how the merger of the Milky Way and Andromeda galaxies would appear to an observer on Earth! An artist's impression 🌀 When the collision begins (in approximately 4.5 billion years), we will see the nearby Andromeda galaxy looking much like the band of the Milky Way. Gradually, their brightness will increase due to the interaction of nebulae, the birth of bright, massive stars, and supernova explosions.

Black Hole

31,620 görüntüleme • 12 gün önce

Zelensky on the anniversary of Chernobyl: “The world must not allow nuclear terrorism to continue, and the best way is to force Russia to stop its reckless attacks” The explosion at the Chernobyl Nuclear Power Plant was the largest man-made disaster in history. The Soviet authorities’ response was brutal. The disaster was deliberately concealed, and people were reassured until the last moment that nothing serious had happened. Sweden was the first to raise the alarm. Evacuation in Pripyat began only 36 hours later. In Kyiv, a May Day parade was held despite known risks. Problems at the plant had been known earlier: incidents occurred even before 1986, but were hidden. After the explosion, the true scale of the disaster, radiation levels, and consequences for people were classified. In 2022, Russian forces seized the plant, and in 2025 it was hit by a drone. The protective dome over the destroyed reactor was damaged. No leaks were recorded, but costly repairs are now required. In recent months, according to Ukraine’s прокуратура, dozens of drones have flown dangerously close to the site.
1:25

Zelensky on the anniversary of Chernobyl: “The world must not allow nuclear terrorism to continue, and the best way is to force Russia to stop its reckless attacks” The explosion at the Chernobyl Nuclear Power Plant was the largest man-made disaster in history. The Soviet authorities’ response was brutal. The disaster was deliberately concealed, and people were reassured until the last moment that nothing serious had happened. Sweden was the first to raise the alarm. Evacuation in Pripyat began only 36 hours later. In Kyiv, a May Day parade was held despite known risks. Problems at the plant had been known earlier: incidents occurred even before 1986, but were hidden. After the explosion, the true scale of the disaster, radiation levels, and consequences for people were classified. In 2022, Russian forces seized the plant, and in 2025 it was hit by a drone. The protective dome over the destroyed reactor was damaged. No leaks were recorded, but costly repairs are now required. In recent months, according to Ukraine’s прокуратура, dozens of drones have flown dangerously close to the site.

NEXTA

26,416 görüntüleme • 5 ay önce

The fastest star in the Galaxy is S4714, which accelerates to approximately 24,000 km/s at its peak, or about 8% the speed of light. It orbits the supermassive black hole Sagittarius A* at the center of our Milky Way, moving in an extremely eccentric orbit. At its closest approach, it comes to a distance of approximately 1.8 billion km from the black hole—comparable to the distance from the Sun to Saturn. From this distance, the angular size of the "shadow" of Sagittarius A* is four times larger than the angular size of the Sun in Earth's sky! Observations of S4714, conducted with the European Southern Observatory, are helping to test the effects of general relativity in the extreme gravity of the Galactic center.
0:20

The fastest star in the Galaxy is S4714, which accelerates to approximately 24,000 km/s at its peak, or about 8% the speed of light. It orbits the supermassive black hole Sagittarius A* at the center of our Milky Way, moving in an extremely eccentric orbit. At its closest approach, it comes to a distance of approximately 1.8 billion km from the black hole—comparable to the distance from the Sun to Saturn. From this distance, the angular size of the "shadow" of Sagittarius A* is four times larger than the angular size of the Sun in Earth's sky! Observations of S4714, conducted with the European Southern Observatory, are helping to test the effects of general relativity in the extreme gravity of the Galactic center.

Black Hole

15,392 görüntüleme • 7 ay önce

Supernova is the sonic boom of blockchain interaction. But in what way, precisely? Well, a sonic boom happens when an object outruns its own sound. There's no warning or no build-up. The thing just arrives before the sound it makes can catch up. With Supernova, the transaction lands before the user even registers they're waiting. The experience outruns the expectation. And creates a perception boom. Every architectural bet we made over the past five years points here. Right at this moment. The phase of instantaneous interaction has arrived.
0:20

Supernova is the sonic boom of blockchain interaction. But in what way, precisely? Well, a sonic boom happens when an object outruns its own sound. There's no warning or no build-up. The thing just arrives before the sound it makes can catch up. With Supernova, the transaction lands before the user even registers they're waiting. The experience outruns the expectation. And creates a perception boom. Every architectural bet we made over the past five years points here. Right at this moment. The phase of instantaneous interaction has arrived.

Beniamin Mincu |🇺🇸/acc

31,322 görüntüleme • 6 ay önce

A few years ago I made a series of documentaries on the war in Ukraine. This relatively short video is a summary of how it really began in 2014. An unelected government began killing its "own" people in the south-east of the country after visits from Joe Biden and John Brennan.
25:13

A few years ago I made a series of documentaries on the war in Ukraine. This relatively short video is a summary of how it really began in 2014. An unelected government began killing its "own" people in the south-east of the country after visits from Joe Biden and John Brennan.

Chris Todd Nolan

1,230,494 görüntüleme • 2 yıl önce

This video being shared on WhatsApp groups: Storm damage of concentrating solar plant (CSP) - it looks like the Kathu plant in the Northen Cape, but awaiting confirmation. As bad as this is, it is probably about one eighth of what was lost at Medupi for 3 to 4 years when Unit 4 had the hydrogen explosion, and about one sixth of what was lost for more than a decade (and I assume permanently) after the Duvha boiler explosion.
4:00

This video being shared on WhatsApp groups: Storm damage of concentrating solar plant (CSP) - it looks like the Kathu plant in the Northen Cape, but awaiting confirmation. As bad as this is, it is probably about one eighth of what was lost at Medupi for 3 to 4 years when Unit 4 had the hydrogen explosion, and about one sixth of what was lost for more than a decade (and I assume permanently) after the Duvha boiler explosion.

Chris Yelland

27,123 görüntüleme • 1 yıl önce

Brian Cox is pointing at one dot. The dot is a galaxy with 100 billion stars. There are 200 billion more on the same map. The thin line at the top of that map represents a billion light-years. At the speed of light, it would take a billion years to cross that sliver. The math gets stranger. The observable universe holds roughly 30 sextillion stars. Every grain of sand on every beach on Earth combined is about 7.5 sextillion. The universe has 4x more stars than Earth has sand. The deeper number is which of those galaxies you can ever actually reach. Dark energy is accelerating cosmic expansion. Space itself is stretching faster than light can cross it. The cosmic event horizon sits at roughly 16 billion light-years from Earth. Anything past that is moving away from us faster than light can chase. We can see those galaxies because their photons left billions of years ago when the gap was small enough. We cannot reach them. We cannot send a signal. We cannot know what they look like now. 97% of the galaxies on Cox's map are already disconnected from our future. Visible artifacts of a past that has ended. Now look forward. In about 150 billion years, accelerating redshift will push every galaxy outside our Local Group beyond detection. Andromeda will have merged with the Milky Way. The other 199,999,999,999 galaxies will be invisible. Civilizations on planets around future stars will look up and see only one galaxy. Their telescopes will tell them the universe ends at the edge of the Local Group. They will not see cosmic background radiation. They will not observe expansion. They will not know about the Big Bang. The evidence will have receded past their light cone. Every astronomy textbook they could ever write would conclude the universe is small, static, and made of one galaxy. We exist in a 100-billion-year window where the universe is still legible. Before us, too hot, too dense, too young. After us, the lights go out one galaxy at a time. 30 sextillion stars on the map. A 100-billion-year window in which to read it. We exist inside the only overlap.
0:53

Brian Cox is pointing at one dot. The dot is a galaxy with 100 billion stars. There are 200 billion more on the same map. The thin line at the top of that map represents a billion light-years. At the speed of light, it would take a billion years to cross that sliver. The math gets stranger. The observable universe holds roughly 30 sextillion stars. Every grain of sand on every beach on Earth combined is about 7.5 sextillion. The universe has 4x more stars than Earth has sand. The deeper number is which of those galaxies you can ever actually reach. Dark energy is accelerating cosmic expansion. Space itself is stretching faster than light can cross it. The cosmic event horizon sits at roughly 16 billion light-years from Earth. Anything past that is moving away from us faster than light can chase. We can see those galaxies because their photons left billions of years ago when the gap was small enough. We cannot reach them. We cannot send a signal. We cannot know what they look like now. 97% of the galaxies on Cox's map are already disconnected from our future. Visible artifacts of a past that has ended. Now look forward. In about 150 billion years, accelerating redshift will push every galaxy outside our Local Group beyond detection. Andromeda will have merged with the Milky Way. The other 199,999,999,999 galaxies will be invisible. Civilizations on planets around future stars will look up and see only one galaxy. Their telescopes will tell them the universe ends at the edge of the Local Group. They will not see cosmic background radiation. They will not observe expansion. They will not know about the Big Bang. The evidence will have receded past their light cone. Every astronomy textbook they could ever write would conclude the universe is small, static, and made of one galaxy. We exist in a 100-billion-year window where the universe is still legible. Before us, too hot, too dense, too young. After us, the lights go out one galaxy at a time. 30 sextillion stars on the map. A 100-billion-year window in which to read it. We exist inside the only overlap.

Aakash Gupta

53,238 görüntüleme • 5 ay önce

House of Cards (2013–2018) was electric in its early seasons. That the sense that power was always one quiet move away. It lost momentum later, but at its peak it felt sharp and controlled in a way few political dramas do.
0:40

House of Cards (2013–2018) was electric in its early seasons. That the sense that power was always one quiet move away. It lost momentum later, but at its peak it felt sharp and controlled in a way few political dramas do.

cinesthetic.

50,817 görüntüleme • 7 ay önce

#WATCH | Bhubaneswar, Odisha: On Revenue and Disaster Management Minister Suresh Pujari's remarks regarding the Lokayukta appointment delay, BJD Spokesperson Lenin Mohanty says, “After a gap of more than 26 months, the process of appointing a Lokayukta has finally started today in Odisha... Today, a senior minister, Sri Suresh Pujari, comes out and suddenly makes a wild statement... We were surprised. What was the necessity for a senior minister to tell a lie? Odisha was the first state to set up a Lokayukta of its own after the Central Act was passed in 2013. The legislation was immediately adopted here in Odisha... Now, after two years, the government is thinking of appointing a Lokayukta when corruption is at its peak... It is due to the pressure of the common man, the opposition parties like us who have been demanding it time and again, and the directive of the High Court that the Lokayukta selection procedure has taken its first call and held its first meeting...” (11.08)
3:00

#WATCH | Bhubaneswar, Odisha: On Revenue and Disaster Management Minister Suresh Pujari's remarks regarding the Lokayukta appointment delay, BJD Spokesperson Lenin Mohanty says, “After a gap of more than 26 months, the process of appointing a Lokayukta has finally started today in Odisha... Today, a senior minister, Sri Suresh Pujari, comes out and suddenly makes a wild statement... We were surprised. What was the necessity for a senior minister to tell a lie? Odisha was the first state to set up a Lokayukta of its own after the Central Act was passed in 2013. The legislation was immediately adopted here in Odisha... Now, after two years, the government is thinking of appointing a Lokayukta when corruption is at its peak... It is due to the pressure of the common man, the opposition parties like us who have been demanding it time and again, and the directive of the High Court that the Lokayukta selection procedure has taken its first call and held its first meeting...” (11.08)

ANI

23,361 görüntüleme • 1 ay önce

Hubble Records Wandering Black Hole That Swallowed a Star NASA astronomers have recorded a rare event using the Hubble Space Telescope and other observatories — a tidal disruption event (TDE) involving a wandering black hole. It occurred 600 million light years from Earth and provided new insights into the behavior of black holes. The object was spotted due to gravitational lensing — the distortion of light from distant bodies under the influence of gravity. As it approached the star, the black hole tore it apart, creating a bright accretion disk that radiated in ultraviolet and visible light. Unlike typical black holes in the centers of galaxies, this one was located 2,600 light years from the core, where a supermassive black hole was already located. Despite their relative proximity, the two holes do not yet form a single system, but they may merge in the future.
0:24

Hubble Records Wandering Black Hole That Swallowed a Star NASA astronomers have recorded a rare event using the Hubble Space Telescope and other observatories — a tidal disruption event (TDE) involving a wandering black hole. It occurred 600 million light years from Earth and provided new insights into the behavior of black holes. The object was spotted due to gravitational lensing — the distortion of light from distant bodies under the influence of gravity. As it approached the star, the black hole tore it apart, creating a bright accretion disk that radiated in ultraviolet and visible light. Unlike typical black holes in the centers of galaxies, this one was located 2,600 light years from the core, where a supermassive black hole was already located. Despite their relative proximity, the two holes do not yet form a single system, but they may merge in the future.

Black Hole

28,499 görüntüleme • 1 yıl önce

Hubble Records Wandering Black Hole That Swallowed a Star NASA astronomers have recorded a rare event using the Hubble Space Telescope and other observatories — a tidal disruption event (TDE) involving a wandering black hole. It occurred 600 million light years from Earth and provided new insights into the behavior of black holes. The object was spotted due to gravitational lensing — the distortion of light from distant bodies under the influence of gravity. As it approached the star, the black hole tore it apart, creating a bright accretion disk that radiated in ultraviolet and visible light. Unlike typical black holes in the centers of galaxies, this one was located 2,600 light years from the core, where a supermassive black hole was already located. Despite their relative proximity, the two holes do not yet form a single system, but they may merge in the future.
0:25

Hubble Records Wandering Black Hole That Swallowed a Star NASA astronomers have recorded a rare event using the Hubble Space Telescope and other observatories — a tidal disruption event (TDE) involving a wandering black hole. It occurred 600 million light years from Earth and provided new insights into the behavior of black holes. The object was spotted due to gravitational lensing — the distortion of light from distant bodies under the influence of gravity. As it approached the star, the black hole tore it apart, creating a bright accretion disk that radiated in ultraviolet and visible light. Unlike typical black holes in the centers of galaxies, this one was located 2,600 light years from the core, where a supermassive black hole was already located. Despite their relative proximity, the two holes do not yet form a single system, but they may merge in the future.

Black Hole

72,990 görüntüleme • 1 yıl önce