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Categories: Environmental: Biodiversity, Space: Cosmology

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Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: Structures and Features
Published

'Engine' of luminous merging galaxies pinpointed for the first time      (via sciencedaily.com) 

Roughly 500 million light-years away, near the constellation Delphinus, two galaxies are colliding. Known as merging galaxy IIZw096, the luminous phenomenon is obscured by cosmic dust, but researchers first identified a bright, energetic source of light 12 years ago. Now, with a more advanced telescope, the team has pinpointed the precise location of what they have dubbed the 'engine' of the merging galaxy.

Environmental: Biodiversity Geoscience: Environmental Issues
Published

Small isolated wetlands are pollution-catching powerhouses      (via sciencedaily.com)     Original source 

Small isolated wetlands that are full for only part of the year are often the first to be removed for development or agriculture, but a new study shows that they can be twice as effective in protecting downstream lake or river ecosystems than if they were connected to them.

Ecology: Endangered Species Ecology: Extinction Ecology: Invasive Species Environmental: Biodiversity
Published

Protected areas fail to safeguard more than 75% of global insect species      (via sciencedaily.com) 

Insects play crucial roles in almost every ecosystem -- they pollinate more than 80% of plants and are a major source of food for thousands of vertebrate species -- but insect populations are collapsing around the globe, and they continue to be overlooked by conservation efforts. Protected areas can safeguard threatened species but only if these threatened species actually live within the areas we protect. A new study found that 76% of insect species are not adequately covered by protected areas.

Offbeat: Space Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: Structures and Features
Published

Astronomers uncover a one-in-ten-billion binary star system: Kilonova progenitor system      (via sciencedaily.com) 

Astronomers using data from the SMARTS 1.5-meter Telescope at the Cerro Tololo Inter-American Observatory (CTIO), have made the first confirmed detection of a star system that will one day form a kilonova -- the ultra-powerful, gold-producing explosion created by merging neutron stars. These systems are so phenomenally rare that only about 10 such systems are thought to exist in the entire Milky Way.

Offbeat: Space Space: Astrophysics Space: Cosmology Space: Structures and Features
Published

The bubbling universe: A previously unknown phase transition in the early universe      (via sciencedaily.com) 

What happened shortly after the universe was born in the Big Bang and began to expand? Bubbles occurred and a previously unknown phase transition happened, according to particle physicists.

Physics: Quantum Physics Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: Structures and Features
Published

Scientists release newly accurate map of all the matter in the universe      (via sciencedaily.com) 

A group of scientists have released one of the most precise measurements ever made of how matter is distributed across the universe today.

Biology: Evolutionary Ecology: Endangered Species Ecology: Extinction Environmental: Biodiversity
Published

Mixing between species reduces vulnerability to climate change      (via sciencedaily.com) 

New research provides rare evidence that natural hybridization can reduce the risk of extinction of species threatened by climate change. Researchers have identified genes that enable Rainbowfish to adapt to climate variations across the Australia using environmental models to work out how much evolution will likely be required for populations to keep pace with future climate change.

Ecology: Extinction Ecology: General Ecology: Invasive Species Ecology: Research Environmental: Biodiversity
Published

UK's Overseas Territories at ongoing risk from wide range of invasive species      (via sciencedaily.com) 

A new study has for the first time predicted which invasive species could pose a future threat to the UK's ecologically unique Overseas Territories.

Computer Science: Artificial Intelligence (AI) Engineering: Robotics Research Environmental: Biodiversity Offbeat: Computers and Math Offbeat: Earth and Climate Offbeat: Plants and Animals
Published

A fairy-like robot flies by the power of wind and light      (via sciencedaily.com) 

The loss of pollinators, such as bees, is a huge challenge for global biodiversity and affects humanity by causing problems in food production. Researchers have now developed the first passively flying robot equipped with artificial muscle. Could this artificial fairy be utilized in pollination?

Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: Structures and Features
Published

Were galaxies much different in the early universe?      (via sciencedaily.com) 

The most sensitive telescope now searching for radio signals from cosmic dawn, an era around 200 million years after the Big Bang when stars ignited, has doubled its sensitivity, a new paper reports. While not yet detecting this radiation -- the redshifted 21-centimeter line -- they have put new limits on the elemental composition of galaxies during the Epoch of Reionization. Early galaxies seem to be low in metals, fitting the most popular theory of cosmic evolution.

Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: Structures and Features Space: The Solar System
Published

Darkest view ever of interstellar ice      (via sciencedaily.com)     Original source 

Astronomers used observations from the James Webb Space Telescope (JWST) to achieve the darkest ever view of a dense interstellar cloud. These observations have revealed the composition of a virtual treasure chest of ices from the early universe, providing new insights into the chemical processes of one of the coldest, darkest places in the universe as well as the origins of the molecules that make up planetary atmospheres.

Space: Astrophysics Space: Cosmology
Published

The mechanism of cosmic magnetic fields explored in the laboratory      (via sciencedaily.com) 

Recent research shows that magnetic fields can spontaneously emerge in a plasma if the plasma has a temperature anisotropy. This mechanism is known as the Weibel instability. This new research is the first to unambiguously observe the Weibel instability in the laboratory. It offers a possible solution to the problem of the origin of the microgauss-level magnetic fields that permeate the galaxies.

Space: Astrophysics Space: Cosmology Space: Exploration Space: Structures and Features
Published

Researchers measure size-luminosity relation of galaxies less than a billion years after Big Bang      (via sciencedaily.com) 

A team has studied the relation between galaxy size and luminosity of some of the earliest galaxies in the universe taken by the James Webb Space Telescope, less than a billion years after the Big Bang.

Space: Cosmology Space: Exploration Space: Structures and Features
Published

NASA's Webb uncovers star formation in cluster's dusty ribbons      (via sciencedaily.com) 

NGC 346, one of the most dynamic star-forming regions in nearby galaxies, is full of mystery. Now, it is less mysterious with new findings from NASA's James Webb Space Telescope.

Space: Cosmology Space: Structures and Features
Published

Ultracool dwarf binary stars break records      (via sciencedaily.com) 

Astrophysicists have discovered the tightest ultracool dwarf binary system ever observed. The two stars are so close that it takes them less than one Earth day to revolve around each other. In other words, each star's 'year' lasts just 20.5 hours.

Space: Cosmology Space: Exploration
Published

Wide diversity of galaxies in the early universe      (via sciencedaily.com) 

New data have revealed that the structures of galaxies in the early universe were much more diverse and mature than previously known. JWST's ability to see faint high redshift galaxies in sharper detail than Hubble allowed the team of researchers to resolve more features and see a wide mix of galaxies.

Space: Cosmology Space: Exploration Space: Structures and Features
Published

Scientists find pair of black holes dining together in nearby galaxy merger      (via sciencedaily.com) 

While studying a nearby pair of merging galaxies scientists have discovered two supermassive black holes growing simultaneously near the center of the newly coalescing galaxy. These super-hungry giants are the closest together that scientists have ever observed in multiple wavelengths. What's more, the new research reveals that binary black holes and the galaxy mergers that create them may be surprisingly commonplace in the Universe.

Space: Cosmology Space: Exploration Space: Structures and Features
Published

Searching for the earliest galaxies in the universe      (via sciencedaily.com) 

Astronomers have used data from NASA's James Webb Space Telescope (JWST) Early Release Observations and discovered 87 galaxies that could be the earliest known galaxies in the universe. The finding moves the astronomers one step closer to finding out when galaxies first appeared in the universe -- about 200-400 million years after the Big Bang.

Space: Cosmology Space: Exploration Space: Structures and Features
Published

NASA's Webb Telescope reveals links between galaxies near and far      (via sciencedaily.com) 

A new analysis of distant galaxies imaged by NASA's James Webb Space Telescope shows that they are extremely young and share some remarkable similarities to 'green peas,' a rare class of small galaxies in our cosmic backyard.

Space: Cosmology Space: Structures and Features
Published

James Webb telescope reveals Milky Way-like galaxies in young universe      (via sciencedaily.com) 

New images from NASA's James Webb Space Telescope (JWST) reveal galaxies with stellar bars -- elongated features of stars stretching from the centers of galaxies into their outer disks -- at a time when the universe was a mere 25% of its present age. The finding of so-called barred galaxies, similar to our Milky Way, this early in the universe will require astrophysicists to refine their theories of galaxy evolution.