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HKU scientists develop new method to detect universe's earliest stars
Sydney, Australia (SPX) May 10, 2024 Astrophysicists from The University of Hong Kong have unveiled a new technique to detect the universe's first stars, known as Population III stars. These stars, primarily composed of hydrogen and helium, differ significantly from modern stars like our Sun and those forming today. Despite their massive size and high temperature, Population III stars were ephemeral and critical in the synthesis of heavier elements and the formation of subsequent star generations. Until now, direct detection of these ... read more |
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Novel Methodology Reveals Early X-ray Emissions of Gamma-Ray Bursts Across Cosmic DistancesParis, France (SPX) May 10, 2024 Scientists at ICRA and ICRANet have developed an innovative approach that significantly enhances the observation of early X-ray emissions from gamma-ray bursts (GRBs), utilizing the cosmological tim ... more 
A Fluidic Telescope is enabling the Next Generation of Large Space ObservatoriesMoffett Field CA (SPX) May 02, 2024 The future of space-based UV/optical/IR astronomy requires ever larger telescopes. The highest priority astrophysics targets, including Earth-like exoplanets, first generation stars, and early galax ... more 
Unraveling the diet of white dwarfs: New insights into their metal consumptionLos Angeles CA (SPX) May 06, 2024 White dwarfs, remnants of stars like the Sun, pack a mass equivalent to the Sun's but are as small as Earth, making up 97% of our galaxy's stars. The transformation of a star into this dense state m ... more 
Radio astronomers unveil new calibration technique for clearer low-frequency universe imagingBerlin, Germany (SPX) May 07, 2024 A breakthrough calibration method developed by researchers from Leiden University now enables the creation of sharp radio images of the universe at previously unattainable low frequencies. This inno ... more |
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UC Irvine study bolsters dark matter existence theoryLos Angeles CA (SPX) Apr 30, 2024 Astronomers from the University of California, Irvine have used computer simulations to support the existence of dark matter, a critical component thought necessary to explain various cosmic phenome ... more 
PREFIRE mission will analyze polar energy exchangesLos Angeles CA (SPX) Apr 29, 2024 NASA, in collaboration with Rocket Lab, has scheduled the first launch for the PREFIRE (Polar Radiant Energy in the Far-InfraRed Experiment) mission on Wednesday, May 22, 2024. The mission aims to e ... more
NASA's Hubble Telescope in safe mode after faulty readingsWashington DC (UPI) Apr 26, 2024 Scientists at NASA are continuing work to restore operations to its Hubble Space Telescope, after pausing them earlier in the week due to issues with the orbiting instrument's gyroscope. ... more 
New molecule identified in interstellar spaceLos Angeles CA (SPX) Apr 23, 2024 MIT's research team led by Professor Brett McGuire has uncovered a new molecule in space, detailed in their paper "Rotational Spectrum and First Interstellar Detection of 2-Methoxyethanol Using ALMA ... more 
Earth's magnetic field intermittently shielded us during cosmic ray influx 41,000 years agoBerlin, Germany (SPX) Apr 22, 2024 Earth's geomagnetic field, while generally shielding the planet from cosmic and solar radiation, experiences periods of significant fluctuation. Not only does the magnetic north shift from its geogr ... more |
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New insights into gamma-ray burst jet motion from UAH astrophysics research
Los Angeles CA (SPX) Apr 23, 2024 Gamma-ray bursts (GRBs), known for their immense bursts of gamma radiation, are among the universe's most intense phenomena, with energy outputs surpassing the sun's expected lifetime production in mere seconds. Originating from the research team at The University of Alabama in Huntsville (UAH), Dr. Jon Hakkila has spearheaded new findings published in The Astrophysical Journal, along with co-authors Dr. Timothy Giblin, Dr. Robert Preece, and Dr. Geoffrey Pendleton of deciBel Research, Inc. "GRBs ... read more
Cosmic Outflow in NGC 4383 Sheds Light on Galactic Pollution ProcessesSydney, Australia (SPX) Apr 22, 2024 A recent study has unveiled a massive gas outflow in galaxy NGC 4383 within the Virgo cluster, so expansive that light would require 20,000 years to traverse it from end to end. This phenomenon was ... more |
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NASA's Roman Space Telescope's 'Eyes' Pass First Vision TestGreenbelt MD (SPX) Apr 18, 2024 Engineers at L3Harris Technologies in Rochester, New York, have combined all 10 mirrors for NASA's Nancy Grace Roman Space Telescope. Preliminary tests show the newly aligned optics, collectively ca ... more 
Why Figuring Out How Potassium Is Destroyed in Stars Is Important to Understanding the UniverseRaleigh, NC (SPX) Apr 18, 2024 If you want to know where elements come from, look to the stars. Almost every element heavier than helium is formed through nuclear reactions in stars. But which stellar processes are responsible fo ... more 
Unveiling space chemistry via cold coulomb crystalsLos Angeles CA (SPX) Apr 17, 2024 The seemingly empty interstellar space is a bustling hub of atoms, ions, and molecules, comprising the Interstellar Medium (ISM). This vast expanse has been a focal point for scientists, with over 2 ... more 
NASA's Fermi Telescope detects no gamma rays from recent supernovaLos Angeles CA (SPX) Apr 17, 2024 In 2023, a supernova burst in the Pinwheel galaxy, creating an ideal scenario for testing theories on cosmic ray acceleration. However, the Fermi Gamma-ray Space Telescope, which has been operationa ... more 
Census of cosmic neighbors reveals new insights with help from citizen scientistsLos Angeles CA (SPX) Apr 17, 2024 Using various telescopes, scientists, including volunteer citizen scientists worldwide, have mapped over 3,500 cosmic entities within 65 light-years of the Sun through the Backyard Worlds: Planet 9 ... more |
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