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universetoday.com /1 month ago

Is Dust the Best Thing in the Universe? Part 4: We Owe Dust Our Lives

No dust, no way to cool a collapsing gas cloud. No way to cool it, no stars. No dust, no first rung on the ladder from grain to pebble to planet. The substance I spent two articles...

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space.com /1 month ago

Scientists found stardust trapped in Antarctic ice. What could it tell us about our solar system?

"This dust can penetrate the shielding of the solar system and end up on Earth."

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universetoday.com /1 month ago

Is Dust the Best Thing in the Universe? Part 2: The Astronomer's Headache

Dust scatters light, absorbs light, re-emits light, and ruins everything. It's why our maps of the Milky Way were wrong before 1930, and it's why one of the biggest cosmological an...

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phys.org /1 week ago

Much of Earth's 'space dust' may come from unidentified near-Earth asteroids

Like a shelf in an old house, the Earth collects a lot of dust from its surroundings. This "space dust" is mostly made up of micrometeorites that survive atmospheric entry and prov...

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phys.org /1 month ago

Surrounded by stardust: Antarctic ice cores confirm Earth is accumulating iron-60 from local interstellar cloud

Our solar system is currently passing through the Local Interstellar Cloud, a region of highly diluted gas and dust between the stars. On its path, Earth continuously accumulates i...

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universetoday.com /1 month ago

Is Dust the Best Thing in the Universe? Part 1: The Apology Begins

Years of grievance against dust. It ruins lungs, suits, rovers, and Mars missions. The first installment of an apology, sort of, to the most annoying substance in the cosmos.

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universetoday.com /1 month ago

Iron and Ice: Earth's Passage Through the Interstellar Cloud

Our Solar System is currently passing through the Local Interstellar Cloud, a region of highly diluted gas and dust between the stars. On its path, Earth continuously accumulates i...

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universetoday.com /1 month ago

Is Dust the Best Thing in the Universe? Part 3: Tiny Chemistry Labs

Two hydrogen atoms can't form an H2 molecule on their own in empty space. They need a surface. The universe has only one surface available, and it's something I have just spent two...

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phys.org /1 month ago

Supernova dust may be behind one of JWST's biggest puzzles

Astronomers may have found an explanation for one of the biggest mysteries revealed by the James Webb Space Telescope (JWST): why so many galaxies in the early universe appear unex...

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phys.org /2 weeks ago

Cosmic dust could play key role in cracking long-standing mystery of solar corona heating

A researcher at The University of Alabama in Huntsville (UAH), a part of The University of Alabama System, has published a new study in The Astrophysical Journal suggesting that ti...

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discovermagazine.com /1 month ago

Cosmic Dust Around Young Stars Could Reveal How to Weigh Newborn Planets

Learn more about the new method astronomers are using to help estimate newborn planets' masses based on dust rings.

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phys.org /1 day ago

Heavy-element exotic dust may solve a neutron star merger mystery

When neutron stars merge, they create a powerful explosion called a kilonova that flings out neutron-rich material, some of which decays into heavy elements through a process calle...

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phys.org /3 weeks ago

Alpha Magnetic Spectrometer reveals four cosmic ray classes across 20 elements, defying current models

Millions of light-years away, millions of years ago, a star exploded. In this violent process, it ejected incredible amounts of mass, including carbon, nitrogen and oxygen—the buil...

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sciencealert.com /1 month ago

Radioactive Stardust From an Ancient Cosmic Blast Is Still Raining on Earth

Don't catch those raindrops on your tongue.ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.

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universetoday.com /1 month ago

Asteroid Dirt is "Fluffier" Than We Thought

The strength of gravity is different on every body in the solar system. Whether it's the crushing weight of Jupiter or the miniscule pull of a small asteroid, this fundamental forc...

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skyandtelescope.org /3 weeks ago

Exploding Stars Sprinkled Ancient Earth With Radioactive Iron and Plutonium

Exploding stars have left their radioactive mark on our planet. Now scientists have found more evidence of a particularly violent event in Earth’s more ancient past. The post Exp...

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universetoday.com /2 days ago

Chemistry Reveals the Origins of an Interstellar Comet

Somewhere in the Milky Way Galaxy is an old star that has lost one of its comets. By some quirk of orbital mechanics, that frozen nucleus of ice and dust got kicked out of its home...

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sciencealert.com /3 weeks ago

Traces of Alien Technology Could Be Hidden in Moon Dust, Study Says

It might be right in front of us.ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.

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theguardian.com /2 days ago

Space jam: astronomers detect ‘raspberry sugar’ on dust cloud in Milky Way

Detection of erythrulose shows compounds that are key to life can form in expanse between starsA natural sugar found in raspberries and used in fake tan lotions has been detected i...

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phys.org /3 weeks ago

Primordial halo simulations reveal how cosmic storms shaped the universe's first stars

Just a few hundred million years after the Big Bang, the universe was a dark and simple place. There were no galaxies like the Milky Way, no planets, and no heavy elements such as...

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phys.org /1 month ago

Deep-sea crust uncovers steady plutonium rain from ancient kilonova debris

Debris is still raining down on Earth more than 100 million years after the giant cosmic explosion that created it. A study published this week in Nature Astronomy by an internatio...

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phys.org /1 month ago

Asteroid dirt is 'fluffier' than we thought

The strength of gravity is different on every body in the solar system. Whether it's the crushing weight of Jupiter or the minuscule pull of a small asteroid, this fundamental forc...

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nanowerk.com /1 week ago

Interstellar visitor brings chemical clues about planet formation around distant stars

Interstellar comet's chemistry offers clues to how planets form around distant stars, revealing familiar building blocks beyond our solar system.

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boingboing.net /2 days ago

A sugar used in fake tan was found floating in deep space

A sugar found in raspberries and used in fake tan lotion has turned up in a huge cloud of dust and gas near the heart of the Milky Way, according to the Guardian. The compound, ery...

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