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Pluto – the exiled king of the outer Solar System Officially the largest resident of the Kuiper Belt, but in 2006 the International Astronomical Union brutally demoted it from “planet” to “dwarf planet” and the internet has never recovered from the heartbreak Right now, depending on where Earth and... show more

Black Hole

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79,315 views • 7 months ago •via X (Twitter)

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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.

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

27,360 views • 1 year ago

#OTD in 2006, NASA's New Horizons left Earth, ultimately changing our understanding of Pluto, the Kuiper Belt, and beyond. Now, 5.2 billion miles away (and counting), New Horizons and NASAVoyager are the farthest operational human-made objects in space.

#OTD in 2006, NASA's New Horizons left Earth, ultimately changing our understanding of Pluto, the Kuiper Belt, and beyond. Now, 5.2 billion miles away (and counting), New Horizons and NASAVoyager are the farthest operational human-made objects in space.

NASA New Horizons

504,248 views • 3 years ago

The icy mountains of Pluto, 3.7 billion miles from Earth

The icy mountains of Pluto, 3.7 billion miles from Earth

Science girl

46,387 views • 1 year ago

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.

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 views • 4 months ago

Talk about cosmic alignment. 🚀✨ #OTD 19 years ago, on the 19th, New Horizons left Earth, reshaping our understanding of Pluto, the Kuiper Belt and beyond. Now 5.7 billion miles away, New Horizons remains the fastest launch in history.

Talk about cosmic alignment. 🚀✨ #OTD 19 years ago, on the 19th, New Horizons left Earth, reshaping our understanding of Pluto, the Kuiper Belt and beyond. Now 5.7 billion miles away, New Horizons remains the fastest launch in history.

NASA New Horizons

25,017 views • 1 year ago

ELON MUSK: "The most obvious one is actually solar powered AI satellites, sort of to move the AI to orbit and essentially deep space over time, because there you can actually access over a billion times more energy from the sun in deep space than you can on Earth. The scaling to Kardashev, which is using some non trivial amount of energy from the sun. You kind of have to do space solar power. Like to even use a millionth of a percent of the sun's energy you you really have to be have your solar power in deep space."

ELON MUSK: "The most obvious one is actually solar powered AI satellites, sort of to move the AI to orbit and essentially deep space over time, because there you can actually access over a billion times more energy from the sun in deep space than you can on Earth. The scaling to Kardashev, which is using some non trivial amount of energy from the sun. You kind of have to do space solar power. Like to even use a millionth of a percent of the sun's energy you you really have to be have your solar power in deep space."

DogeDesigner

266,777 views • 8 months ago

This is how fast Earth flies through the galaxy. The solar system, including Earth, revolves around the center of the Milky Way at a speed of about 230 km/s. At first glance, this seems impressive. But when compared to the diameter of our planet (approximately 12,750 km), on a cosmic scale, it all looks almost like slow motion.

This is how fast Earth flies through the galaxy. The solar system, including Earth, revolves around the center of the Milky Way at a speed of about 230 km/s. At first glance, this seems impressive. But when compared to the diameter of our planet (approximately 12,750 km), on a cosmic scale, it all looks almost like slow motion.

Black Hole

40,856 views • 2 months ago

In the opening of CONTACT, the camera pulls back from Earth through the solar system while our radio and TV broadcasts play in reverse order, so the farther you get from the planet, the older the snippets of human history you hear. Great storytelling.

In the opening of CONTACT, the camera pulls back from Earth through the solar system while our radio and TV broadcasts play in reverse order, so the farther you get from the planet, the older the snippets of human history you hear. Great storytelling.

All The Right Movies

43,108 views • 4 months ago

The most wonderful travel experience on planet earth. Cruising through the beautiful landscapes of China 🇨🇳 in 350 km per hour. Absolute comfort, eating good food, trains always on time. China the last fifteen years has built 45 000 km high speed rail - that is a distance from Beijing to Paris return, three times.

The most wonderful travel experience on planet earth. Cruising through the beautiful landscapes of China 🇨🇳 in 350 km per hour. Absolute comfort, eating good food, trains always on time. China the last fifteen years has built 45 000 km high speed rail - that is a distance from Beijing to Paris return, three times.

Erik Solheim

269,689 views • 8 months ago

In 1930, Clyde Tombaugh from Burdett, Kansas, discovered Pluto, & I appreciate NASA Administrator Jared Isaacman’s interest in reclassifying Pluto as a planet and restoring credit for the discovery of the planet to Clyde Tombaugh.⬇️

In 1930, Clyde Tombaugh from Burdett, Kansas, discovered Pluto, & I appreciate NASA Administrator Jared Isaacman’s interest in reclassifying Pluto as a planet and restoring credit for the discovery of the planet to Clyde Tombaugh.⬇️

Senator Jerry Moran

36,465 views • 2 months ago

“We found these spherules on the seafloor—fragments from a meteorite that hit Earth after traveling for a billion years through interstellar space. The elements inside? 5,000 times the concentration of beryllium, lanthanum, and uranium. I think it’s the first solar thing ever recovered from the ocean floor.” Charles Hoskinson

“We found these spherules on the seafloor—fragments from a meteorite that hit Earth after traveling for a billion years through interstellar space. The elements inside? 5,000 times the concentration of beryllium, lanthanum, and uranium. I think it’s the first solar thing ever recovered from the ocean floor.” Charles Hoskinson

Shawn Ryan

215,421 views • 1 year ago

Dragon and the crew will launch to a 90° circular orbit from Florida, and travel to ~440 km above Earth to explore the polar regions of our planet

Dragon and the crew will launch to a 90° circular orbit from Florida, and travel to ~440 km above Earth to explore the polar regions of our planet

SpaceX

448,177 views • 1 year ago

☀️ The Sun Just Sent a Heart-Shaped Warning to Earth… And We’re Only Seeing It Now! 🔥 💥 Something incredible just came into view. NASA’s Solar Dynamics Observatory captured a massive, heart-shaped coronal hole on the Sun—and it’s like nothing we’ve seen before. But here’s the twist: this footage is from September, and we’re only seeing it now. Why the delay? The recent 43-day US government shutdown paused the scientists who normally release these videos, leaving this cosmic spectacle hidden for weeks. So what’s a coronal hole? Despite its dark, ominous appearance, it’s not a hole in the Sun—it’s a region where the Sun’s outer atmosphere is cooler and less dense. More importantly, these holes act as “open doors” for solar wind, streams of charged particles that race through space. This particular hole was huge—many times bigger than Earth—and when its solar wind hit our planet around September 14-15, it triggered a powerful G3 geomagnetic storm, lighting up the sky with Northern Lights far farther south than usual. The Sun has sent its message… but what does it mean for us? Scientists are still studying the full effects. Meanwhile, this heart-shaped cosmic shadow reminds us how small and fragile Earth is in the face of our star’s immense power. 👀

☀️ The Sun Just Sent a Heart-Shaped Warning to Earth… And We’re Only Seeing It Now! 🔥 💥 Something incredible just came into view. NASA’s Solar Dynamics Observatory captured a massive, heart-shaped coronal hole on the Sun—and it’s like nothing we’ve seen before. But here’s the twist: this footage is from September, and we’re only seeing it now. Why the delay? The recent 43-day US government shutdown paused the scientists who normally release these videos, leaving this cosmic spectacle hidden for weeks. So what’s a coronal hole? Despite its dark, ominous appearance, it’s not a hole in the Sun—it’s a region where the Sun’s outer atmosphere is cooler and less dense. More importantly, these holes act as “open doors” for solar wind, streams of charged particles that race through space. This particular hole was huge—many times bigger than Earth—and when its solar wind hit our planet around September 14-15, it triggered a powerful G3 geomagnetic storm, lighting up the sky with Northern Lights far farther south than usual. The Sun has sent its message… but what does it mean for us? Scientists are still studying the full effects. Meanwhile, this heart-shaped cosmic shadow reminds us how small and fragile Earth is in the face of our star’s immense power. 👀

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Seen from the Moon, Earth becomes more than a planet—it becomes a fragile reminder of how rare life truly is in the universe.

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117,288 views • 6 months ago

Space exploration confirms it: Earth is the best planet. Our planet's resources are finite, but space offers endless possibilities. We can guarantee a sustainable future by sourcing what we need from space and moving polluting industries off Earth. Join the mission to protect our planet for the benefit of Earth, our blue origin.

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64,024 views • 1 year ago

🇺🇸 SPACEX JUST COMPLETED ITS 100TH STARLINK LAUNCH OF THE YEAR A Falcon 9 rocket lifted just off from Vandenberg Space Force Base in California, sending 28 more Starlink satellites into orbit and officially marking SpaceX’s 100th Starlink launch of 2025. Each of these missions adds to a massive satellite network that’s delivering internet from space to users around the globe, from NYC to the most remote spots on Earth. SpaceX is making it look easy, but building a space-based internet system at this scale is something no one else has even come close to pulling off. Source: Black Hole

🇺🇸 SPACEX JUST COMPLETED ITS 100TH STARLINK LAUNCH OF THE YEAR A Falcon 9 rocket lifted just off from Vandenberg Space Force Base in California, sending 28 more Starlink satellites into orbit and officially marking SpaceX’s 100th Starlink launch of 2025. Each of these missions adds to a massive satellite network that’s delivering internet from space to users around the globe, from NYC to the most remote spots on Earth. SpaceX is making it look easy, but building a space-based internet system at this scale is something no one else has even come close to pulling off. Source: Black Hole

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483,225 views • 8 months ago