Uncontrolled Rocket Segment Finally Re-Entered Earth's Atmosphere
A large segment of a Chinese rocket re-entered the Earth's atmosphere and disintegrated over the Indian Ocean on Sunday, the Chinese space agency said, following fevered speculation over where the 18-tonne object would come down.
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A large segment of a Chinese rocket re-entered the Earth's atmosphere and disintegrated over the Indian Ocean on Sunday, the Chinese space agency said, following fevered speculation over where the 18-tonne object would come down.
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Uncontrolled Rocket Segment Finally Re-Entered Earth's Atmosphere
A large segment of a Chinese rocket re-entered the Earth's atmosphere and disintegrated over the Indian Ocean on Sunday, China's space agency said, following fevered speculation over where the 18-tonne object would come down.
Voyager 1 Is Detecting a 'Hum' of Plasma Waves in The Void of Interstellar Space
Voyager 1 has left the Solar System - and it's finding that the void of space is not quite so void-like, after all.
In the latest analysis of data from the intrepid probe, from a distance of nearly 23 billion kilometers (over 14 billion miles), astronomers have discovered, from 2017 onwards, a constant hum from plasma waves in the interstellar medium, the diffuse gas that lurks between the stars.
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Voyager 1 has left the Solar System - and it's finding that the void of space is not quite so void-like, after all.
In the latest analysis of data from the intrepid probe, from a distance of nearly 23 billion kilometers (over 14 billion miles), astronomers have discovered, from 2017 onwards, a constant hum from plasma waves in the interstellar medium, the diffuse gas that lurks between the stars.
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ScienceAlert
Voyager 1 Is Detecting a 'Hum' of Plasma Waves in The Void of Interstellar Space
Voyager 1, having spent over 43 years zooming away from Earth since its 1977 launch, is now a very long way away indeed.
Potentially Deadly 'Black Fungus' Keeps Showing Up in COVID-19 Patients in India
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Potentially Deadly 'Black Fungus' Keeps Showing Up in COVID-19 Patients in India
Some COVID-19 patients in India have developed a rare and potentially fatal fungal infection called mucormycosis, also known as "black fungus," according to news reports.
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TRUE Limits Of Humanity – The Final Border We Will Never Cross
Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? It turns out, there are. Even with sci-fi technology, we are trapped in a limited pocket of the Universe and the finite stuff within it. How much universe is there for us and how far can we go?
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Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? It turns out, there are. Even with sci-fi technology, we are trapped in a limited pocket of the Universe and the finite stuff within it. How much universe is there for us and how far can we go?
Video (Kurzgesagt) | Stream on YouTube
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NASA's Probe With Its Precious Bennu Sample Is Finally Returning to Earth!
A spacecraft carrying around 56.70g of dust from the surface of an asteroid is on its way back to Earth.
The spacecraft, called OSIRIS-REx, launched its thrusters for 7 minutes on Monday to leave the asteroid Bennu.
NASA expects the sample will land in the desert in Utah on September 24, 2023.
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A spacecraft carrying around 56.70g of dust from the surface of an asteroid is on its way back to Earth.
The spacecraft, called OSIRIS-REx, launched its thrusters for 7 minutes on Monday to leave the asteroid Bennu.
NASA expects the sample will land in the desert in Utah on September 24, 2023.
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ScienceAlert
NASA's Probe With Its Precious Bennu Sample Is Finally Returning to Earth!
A spacecraft carrying around 56.70g of dust from the surface of an asteroid is on its way back to Earth.
Incredible Images Reveal a Single Moment on Jupiter in Different Wavelengths of Light
We all know what Jupiter looks like, with its vanilla and butterscotch ice-cream bands of counter-rotating cloud, and the iconic red storm raging in the southern hemisphere.
But that's only how Jupiter looks in optical wavelengths, though. When imaged in wavelengths beyond the limits of human vision, Jupiter appears differently. In infrared, thermal emission glows brightly, with cooler regions duller red (a bit like lasagna); in ultraviolet, soft, cotton-candy pastels show us different altitudes...
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We all know what Jupiter looks like, with its vanilla and butterscotch ice-cream bands of counter-rotating cloud, and the iconic red storm raging in the southern hemisphere.
But that's only how Jupiter looks in optical wavelengths, though. When imaged in wavelengths beyond the limits of human vision, Jupiter appears differently. In infrared, thermal emission glows brightly, with cooler regions duller red (a bit like lasagna); in ultraviolet, soft, cotton-candy pastels show us different altitudes...
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ScienceAlert
Incredible Images Reveal a Single Moment on Jupiter in Different Wavelengths of Light
Jupiter: king of the planets, protector of the inner Solar System. We all know what the gas giant looks like, with its vanilla and butterscotch ice-cream bands of counter-rotating cloud, and the iconic red storm raging in the southern hemisphere.
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Time-lapse of Dragon Endeavor docking to the International Space Station during the DM2 mission
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Ultra-Fast Air And Space Travel Just Got Closer With a Hypersonic Detonation Test
A never-ending detonation could be the key to hypersonic flight and space planes that can seamlessly fly from Earth into orbit. And now, researchers have recreated the explosive phenomenon in the lab that could make it possible.
Detonations are a particularly powerful kind of explosion that move outward faster than the speed of sound. Now, a team from the University of Central Florida has created an experimental setup that lets them sustain a detonation in a fixed position for several seconds, which the researchers say is a major step toward future hypersonic propulsion systems.
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A never-ending detonation could be the key to hypersonic flight and space planes that can seamlessly fly from Earth into orbit. And now, researchers have recreated the explosive phenomenon in the lab that could make it possible.
Detonations are a particularly powerful kind of explosion that move outward faster than the speed of sound. Now, a team from the University of Central Florida has created an experimental setup that lets them sustain a detonation in a fixed position for several seconds, which the researchers say is a major step toward future hypersonic propulsion systems.
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ScienceAlert
Ultra-Fast Air And Space Travel Just Got Closer With a Hypersonic Detonation Test
A never-ending detonation could be the key to hypersonic flight and space planes that can seamlessly fly from Earth into orbit. And now, researchers have recreated the explosive phenomenon in the lab that could make it possible.
Mysterious Wobbles in Saturn's Rings Reveal Clues About Its 'Fuzzy' Interior
What's in a gas giant?
No, really. The interiors of Jupiter and Saturn are actually quite difficult to probe. But Saturn's uniquely glorious and extensive ring system is proving to be an excellent tool for figuring out the densities deep below its thick cloud layers, right down to the core.
That core, according to a new analysis of 'wobbles' in Saturn's innermost main ring, likely isn't a dense ball of nickel and iron, as currently thought, but a "fuzzy" region of mostly hydrogen and helium, with a gradual mixing of heavier elements, extending to 60 percent of the planet's radius and containing around 17 Earth masses of ice and rock...
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What's in a gas giant?
No, really. The interiors of Jupiter and Saturn are actually quite difficult to probe. But Saturn's uniquely glorious and extensive ring system is proving to be an excellent tool for figuring out the densities deep below its thick cloud layers, right down to the core.
That core, according to a new analysis of 'wobbles' in Saturn's innermost main ring, likely isn't a dense ball of nickel and iron, as currently thought, but a "fuzzy" region of mostly hydrogen and helium, with a gradual mixing of heavier elements, extending to 60 percent of the planet's radius and containing around 17 Earth masses of ice and rock...
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@EverythingScience
ScienceAlert
Mysterious Wobbles in Saturn's Rings Reveal Clues About Its 'Fuzzy' Interior
What's in a gas giant?
The Profound Potential of Elon Musk’s New Rocket
An aerospace engineer explains why SpaceX’s Starship will change everything.
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An aerospace engineer explains why SpaceX’s Starship will change everything.
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Nautilus
The Profound Potential of Elon Musk’s New Rocket
In the late afternoon of May 5, SpaceX’s Elon Musk tweeted, “Starship landing nominal!” Musk is not known for understatement.…
Is It Possible to Get Too Much Sleep? Here's What Scientists Think
Sleep has a major impact on our health and wellbeing. Busy lifestyles often make it difficult to sleep as much as we would like to. Not sleeping enough affects our mood, ability to focus, and risk of many medical conditions.
We are often encouraged to sleep more, but can sleeping too much also be unhealthy?
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Sleep has a major impact on our health and wellbeing. Busy lifestyles often make it difficult to sleep as much as we would like to. Not sleeping enough affects our mood, ability to focus, and risk of many medical conditions.
We are often encouraged to sleep more, but can sleeping too much also be unhealthy?
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ScienceAlert
Is It Possible to Get Too Much Sleep? Here's What Scientists Think
Sleep has a major impact on our health and wellbeing. Busy lifestyles often make it difficult to sleep as much as we would like to. Not sleeping enough affects our mood, ability to focus, and risk of many medical conditions.
EverythingScience
A day after his passing, a petition is asking NASA to change the name of the coming "Lunar Gateway" to the "Collins Lunar Gateway" The Lunar Gateway will be a space station in orbit around the Moon that will provide staging for all future lunar astronauts…
All humans but one
After the most famous voyage of modern times, it was time to go home. After proving that humanity has the ability to go beyond the confines of planet Earth, the first humans to walk on another world -- Neil Armstrong and Buzz Aldrin -- flew the ascent stage of their Lunar Module back to meet Michael Collins in the moon-orbiting Command and Service Module.
Pictured here on 1969 July 21 and recently digitally restored, the ascending spaceship was captured by Collins making its approach, with the Moon below, and Earth far in the distance.
It is said of this iconic image that every person but one was in front of the camera.
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After the most famous voyage of modern times, it was time to go home. After proving that humanity has the ability to go beyond the confines of planet Earth, the first humans to walk on another world -- Neil Armstrong and Buzz Aldrin -- flew the ascent stage of their Lunar Module back to meet Michael Collins in the moon-orbiting Command and Service Module.
Pictured here on 1969 July 21 and recently digitally restored, the ascending spaceship was captured by Collins making its approach, with the Moon below, and Earth far in the distance.
It is said of this iconic image that every person but one was in front of the camera.
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@EverythingScience
Take a Tour of The Tiny, Wonderful World of Microfluidics
When you think of micro- or nanotechnology, you likely think of small electronics like your phone, a tiny robot or a microchip.
But COVID-19 tests – which have proven to be central to controlling the pandemic – are also a form of miniaturized technology. Many COVID-19 tests can give results within hours without the need to send a sample to a lab, and most of these tests use an approach called microfluidics.
Everything from pregnancy tests to glucose strips to inkjet printers to genetic tests rely on microfluidics. This technology, unbeknownst to many people, is everywhere and critical to many of the things that make the modern world go round.
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When you think of micro- or nanotechnology, you likely think of small electronics like your phone, a tiny robot or a microchip.
But COVID-19 tests – which have proven to be central to controlling the pandemic – are also a form of miniaturized technology. Many COVID-19 tests can give results within hours without the need to send a sample to a lab, and most of these tests use an approach called microfluidics.
Everything from pregnancy tests to glucose strips to inkjet printers to genetic tests rely on microfluidics. This technology, unbeknownst to many people, is everywhere and critical to many of the things that make the modern world go round.
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ScienceAlert
Take a Tour of The Tiny, Wonderful World of Microfluidics
When you think of micro- or nanotechnology, you likely think of small electronics like your phone, a tiny robot or a microchip.
A Common Earth Molecule Is Detected For The First Time in an Exoplanet's Atmosphere
The molecule hydroxyl (HO) is common on Earth, but astronomers have not yet determined how abundant it is on other worlds. For the first time, astronomers have conclusively detected it in the atmosphere of an ultra-hot Jupiter, WASP-33b.
WASP-33b is a strange exoplanet. 400 light-years away from us, the planet is known as an ultra-hot Jupiter: it's a gas giant that orbits its host star closer than Mercury does to our own Sun.
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The molecule hydroxyl (HO) is common on Earth, but astronomers have not yet determined how abundant it is on other worlds. For the first time, astronomers have conclusively detected it in the atmosphere of an ultra-hot Jupiter, WASP-33b.
WASP-33b is a strange exoplanet. 400 light-years away from us, the planet is known as an ultra-hot Jupiter: it's a gas giant that orbits its host star closer than Mercury does to our own Sun.
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ScienceAlert
A Common Earth Molecule Is Detected For The First Time in an Exoplanet's Atmosphere
The molecule hydroxyl (HO) is common on Earth, but astronomers have not yet determined how abundant it is on other worlds. For the first time, astronomers have conclusively detected it in the atmosphere of an ultra-hot Jupiter, WASP-33b.
Neuroscientists Have Followed a Thought as It Moves Through The Human Brain
A study using epilepsy patients undergoing surgery has given neuroscientists an opportunity to track in unprecedented detail the movement of a thought through the human brain, all the way from inspiration to response.
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A study using epilepsy patients undergoing surgery has given neuroscientists an opportunity to track in unprecedented detail the movement of a thought through the human brain, all the way from inspiration to response.
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ScienceAlert
Neuroscientists Have Followed a Thought as It Moves Through The Human Brain
A study using epilepsy patients undergoing surgery has given neuroscientists an opportunity to track in unprecedented detail the movement of a thought through the human brain, all the way from inspiration to response.
More Accurate Clocks Unleash More Disorder in The Universe, Physicists Say
What's the price of an accurate clock? Entropy, a new study has revealed.
Entropy – or disorder – is created every time a clock ticks. Now scientists working with a tiny clock have proven a simple relationship: The more accurate a clock runs, the more entropy it generates.
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What's the price of an accurate clock? Entropy, a new study has revealed.
Entropy – or disorder – is created every time a clock ticks. Now scientists working with a tiny clock have proven a simple relationship: The more accurate a clock runs, the more entropy it generates.
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ScienceAlert
More Accurate Clocks Unleash More Disorder in The Universe, Physicists Say
What's the price of an accurate clock? Entropy, a new study has revealed.
A Spacecraft Captured a Massive Eruption on The Sun's Surface For The First Time
The Sun is constantly bubbling and bursting. If eruptions on its surface are big enough, they can send billions of tons of plasma and electrically charged particles hurtling toward Earth.
To observe and study those kinds of explosions – called coronal mass ejections – NASA and the European Space Agency launched the Solar Orbiter probe in February 2020.
The probe made a close approach to our star this year, on February 10, when it flew within 48 million miles (77 million kilometers) of the Sun – half the distance between the Sun and Earth. As it careened past the Sun, back to cooler zones of space, the orbiter caught video footage of two CMEs.
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The Sun is constantly bubbling and bursting. If eruptions on its surface are big enough, they can send billions of tons of plasma and electrically charged particles hurtling toward Earth.
To observe and study those kinds of explosions – called coronal mass ejections – NASA and the European Space Agency launched the Solar Orbiter probe in February 2020.
The probe made a close approach to our star this year, on February 10, when it flew within 48 million miles (77 million kilometers) of the Sun – half the distance between the Sun and Earth. As it careened past the Sun, back to cooler zones of space, the orbiter caught video footage of two CMEs.
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ScienceAlert
A Spacecraft Captured a Massive Eruption on The Sun's Surface For The First Time
The Sun is constantly bubbling and bursting. If eruptions on its surface are big enough, they can send billions of tons of plasma and electrically charged particles hurtling toward Earth.
In Major Find, Scientists Catch Nerve Cells Send Information in The 'Wrong' Direction
The point at which our nerve cells meet to share information was thought to be a one-way street, with electrochemical signals strictly flowing from one neuron's sending axons to the next neuron's receiving dendrites.
Now, for the first time, researchers have shown that information can also flow in the opposite direction at the neuron intersection we call a synapse...
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The point at which our nerve cells meet to share information was thought to be a one-way street, with electrochemical signals strictly flowing from one neuron's sending axons to the next neuron's receiving dendrites.
Now, for the first time, researchers have shown that information can also flow in the opposite direction at the neuron intersection we call a synapse...
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ScienceAlert
In Major Find, Scientists Catch Nerve Cells Send Information in The 'Wrong' Direction
The point at which our nerve cells meet to share information was thought to be a one-way street, with electrochemical signals strictly flowing from one neuron's sending axons to the next neuron's receiving dendrites.