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Categories: Environmental: Wildfires, Space: Structures and Features
Published Black hole spews out material years after shredding star
(via sciencedaily.com) Astronomers have observed a black hole burping up stellar remains years after it shredded and consumed the star.
Published Black hole discovered firing jets at neighboring galaxy
(via sciencedaily.com) A team of astronomers has discovered a unique black hole spewing a fiery jet at another galaxy. The black hole is hosted by a galaxy around one billion light years away from Earth named RAD12.
Published Warmer stream temperatures in burned-over Oregon watershed didn't result in fewer trout
(via sciencedaily.com) The number of trout in a southern Oregon stream system showed no decline one year after a fire burned almost the entire watershed, including riparian zone trees that had helped maintain optimal stream temperatures for the cold-water fish.
Published Cosmic ray protons reveal new spectral structures at high energies
(via sciencedaily.com) Discovered in 1912, cosmic rays have been studied extensively and our current understanding of them is compiled into what is called the Standard Model. Recently, this understanding has been challenged by the detection of unexpected spectral structures in the cosmic ray proton energy spectrum. Now, scientists take this further with high-statistics and low-uncertainty measurement of these protons over a broader energy range using the CALorimetric Electron Telescope, confirming the presence of such structures.
Published Potential first traces of the universe's earliest stars
(via sciencedaily.com) Original source Astronomers may have discovered the ancient chemical remains of the first stars to light up the Universe. Using an innovative analysis of a distant quasar observed by the 8.1-meter Gemini North telescope on Hawai'i, the scientists found an unusual ratio of elements that, they argue, could only come from the debris produced by the all-consuming explosion of a 300-solar-mass first-generation star.
Published Study finds higher rates of traumatic injuries for outdoor workers during hotter weather
(via sciencedaily.com) Rates of traumatic injury among workers in the Oregon agricultural and construction sectors are significantly higher during periods of high heat compared with periods of more moderate weather, a recent study found.
Published Webb reveals a galaxy sparkling with the universe's oldest star clusters
(via sciencedaily.com) Using the James Webb Space Telescope (JWST), researchers have identified the most distant globular clusters ever discovered. These dense groups of millions of stars may be relics that contain the first and oldest stars in the universe. The early analysis of Webb's First Deep Field image depicts some of the universe's earliest galaxies.
Published Milky Way's graveyard of dead stars found
(via sciencedaily.com) The first map of the 'galactic underworld' -- a chart of the corpses of once massive suns that have since collapsed into black holes and neutron stars -- has revealed a graveyard that stretches three times the height of the Milky Way, and that almost a third of the objects have been flung out from the galaxy altogether.
Published Cattle grazing with virtual fencing shows potential to create wildfire fuel breaks, study finds
(via sciencedaily.com) The use of virtual fencing to manage cattle grazing on sagebrush rangelands has the potential to create fuel breaks needed to help fight wildfires, a recent study found.
Published Astronomers map distances to 56,000 galaxies, largest-ever catalog
(via sciencedaily.com) Astronomers have assembled the largest-ever compilation of high-precision galaxy distances, called Cosmicflows-4.
Published Mysterious ripples in the Milky Way were caused by a passing dwarf galaxy
(via sciencedaily.com) Original source Using data from the Gaia space telescope, a team has shown that large parts of the Milky Way's outer disk vibrate. The ripples are caused by a dwarf galaxy, now seen in the constellation Sagittarius, that shook our galaxy as it passed by hundreds of millions of years ago.
Published Indoor air quality experiments show exposure risks while cooking, cleaning
(via sciencedaily.com) When you're cooking or cleaning inside your home, what chemicals are you breathing, and are they potentially harmful? Chemists have given us a solid start on the answer. A large, collaborative research experiment recently attempted to map the airborne chemistry of a typical home. Researchers performed typical home activities like cooking and cleaning and used sophisticated instrumentation to document the chemistry that resulted.
Published Now you don't have to wait for smoke to know where fires are likely to occur
(via sciencedaily.com) Scientists have developed a way to forecast which of the Great Basin's more than 60 million acres have the highest probability of a large rangeland fire. The forecasts come from a model developed by the researchers that combines measures of accumulated annual and perennial grass vegetation that is potential fire fuel with recent weather and climate data. When integrated, this information can be translated into maps showing the likelihood of a large wildfire -- greater than 1,000 acres--across the Great Basin. These forecasts also can be scaled down to predict fire risk for counties or even single pastures.
Published Pollutants from burning structures linger in waterways post-wildfire
(via sciencedaily.com) As the frequency of wildfires has increased, so have pollutants in the waters from burned watersheds, say researchers in a review paper that highlights the need for more research in the area.
Published It's a planet: New evidence of baby planet in the making
(via sciencedaily.com) Astronomers have developed a new technique to identify small planets hidden in protoplanetary disks.
Published Where do high-energy particles that endanger satellites, astronauts and airplanes come from?
(via sciencedaily.com) Astrophysicists show how and when specific particles form and offers clues to questions that have troubled scientists since the 1940s.
Published New AI system predicts how to prevent wildfires
(via sciencedaily.com) A machine learning model can evaluate the effectiveness of different management strategies.
Published Astronomy: Is over-eating to blame for bulges in Milky Way bar?
(via sciencedaily.com) Original source A new simulation conducted on the world's most powerful supercomputer dedicated to astronomy has produced a testable scenario to explain the appearance of the bar of the Milky Way. Comparing this scenario to data from current and future space telescopes will help clarify the evolution of our home Galaxy.
Published Could more of Earth's surface host life?
(via sciencedaily.com) Of all known planets, Earth is as friendly to life as any planet could possibly be -- or is it? If Jupiter's orbit changes, a new study shows Earth could be more hospitable than it is today.
Published Physicists invoke the cosmological collider to explain why matter, and not antimatter, dominates the universe
(via sciencedaily.com) Early in its history, shortly after the Big Bang, the universe was filled with equal amounts of matter and 'antimatter' -- particles that are matter counterparts but with opposite charge. But then, as space expanded, the universe cooled. Today's universe is full of galaxies and stars which are made of matter. Where did the antimatter go, and how did matter come to dominate the universe? This cosmic origin of matter continues to puzzle scientists. Physicists have now opened a new pathway for probing the cosmic origin of matter by invoking the 'cosmological collider.'