科学与环境
Webb captures commotion from nebula's stellar jets
来源: Phys.org - latest science and technology news stories · 发布于
The NASA/ESA/CSA James Webb Space Telescope has unveiled numerous stars formerly hidden by clouds of dust in a stellar nursery known as NGC 7129—a cauldron of cosmic creation, 3,300 light-years from Earth. Webb captured infrared light, which pierces through the dense matter that
The NASA/ESA/CSA James Webb Space Telescope has unveiled numerous stars formerly hidden by clouds of dust in a stellar nursery known as NGC 7129—a cauldron of cosmic creation, 3,300 light-years from Earth. Webb captured infrared light, which pierces through the dense matter that scatters or absorbs other types of light. This region, rife with stellar objects in different stages of their lives, offers an opportunity to explore how stars shape their surroundings.
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NASA’s Roman telescope just opened its planet-hunting eye
NASA’s Roman Space Telescope has demonstrated remarkable pointing stability and given its powerful planet-imaging coronagraph its first look at the cosmos. The telescope can already stay locked on a target with precision comparable to aiming a laser at a dime from about 150 miles
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Tiny channels between plant cells respond to wound alerts through hydrogen peroxide bursts
When a person falls and gets a cut or a scrape, they often use hydrogen peroxide to clean the wound. This molecular compound is also produced within our cells, helping our immune system build its defenses against harmful bacteria or other pathogens. Hydrogen peroxide is produced
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How invasive Egyptian geese exploit food sources and carry parasites
The Egyptian goose, native to Africa, is considered an invasive species of Europe-wide significance. Researchers from the Senckenberg Biodiversity and Climate Research Center and Goethe University Frankfurt spent four years investigating the ecological and economic impacts of its
Phys.org - latest science and technology news stories ·
Stretching boosts thermal and electrical conductivity in new nanocomposite
A joint research team led by professors Seunghyun Baik and Joonmyung Choi from the School of Mechanical Engineering at Sungkyunkwan University (SKKU) has developed a new nanocomposite material whose electrical and thermal conductivities increase as it is stretched. The team succe
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Hit songs fade faster from the Billboard charts than albums
Favorite songs can stay with us for a lifetime, but their shelf life on the music charts is fleetingly short. Tracks that shoot up the U.S. Billboard charts may flood the airwaves for a short while, but just a few weeks later, they have vanished. The outlook for albums is far mor
Phys.org - latest science and technology news stories ·