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Science advances through data that don’t fit our current understanding. At least that was Thomas Kuhn’s theory in his famous On the Structure of Scientific Revolutions. So scientists should welcome new data that challenges their understanding of how the universe works. Go to Source Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, icy, egg-shaped planet in the far reaches of our solar system, beyond Neptune, is already known to have two rings and a moon, but this discovery was unexpected and accidental. Go to Source […] Space missions rely on cryogenic fluids—extremely cold liquids like liquid hydrogen and oxygen—for both propulsion and life support systems. These fuels must be kept at ultra-low cryogenic temperatures to remain in liquid form; however, solar heating and other sources of heat increase the rate of evaporation of the liquid and cause the pressure in the […] Interstellar objects like 3I/ATLAS that have been captured in planet-forming disks around young stars could become the seeds of giant planets, bypassing a hurdle that theoretical models have previously been unable to explain. Go to Source Using radial velocity measurements, an international team of astronomers has identified a second planet orbiting a nearby M-dwarf star known as Gliese 536. The newfound alien world turns out to be at least a few times more massive than Earth. The findings are covered in the upcoming issue of Astronomy & Astrophysics and currently available […] Over the past decades, many research teams worldwide have been trying to detect dark matter, an elusive type of matter that does not emit, reflect or absorb light, using a variety of highly sensitive detectors. Ultimately, these detectors should be able to pick up the very small signals that would indicate the presence of dark […] NASA has begun barring Chinese nationals with valid visas from joining its programs, underscoring the intensifying space race between the rival powers. Go to Source A new study suggests a habitable past and signs of ancient microbial processes on Mars. Led by NASA and featuring key analysis from Imperial College London, the work has uncovered a range of minerals and organic matter in Martian rocks that point to an ancient history of habitable conditions and potential biological processes on the […] A team of researchers, including those at the University of Tokyo, discovered that liquid water once flowed on the asteroid that spawned near-Earth asteroid Ryugu more than a billion years after it first formed. The finding, based on tiny rock fragments returned by the Hayabusa2 spacecraft of the Japan Aerospace Exploration Agency (JAXA), overturns long-held […] A blowtorch of seething gases erupting from a volcanically growing monster star has been captured by NASA’s James Webb Space Telescope. Stretching across 8 light-years, the length of the stellar eruption is approximately twice the distance between our sun and the next nearest stars, the Alpha Centauri system. The size and strength of this particular […] A new study led by Southwest Research Institute’s Dr. Michael Starkey has provided observational evidence from the SwRI-led Magnetospheric Multiscale (MMS) Mission of pickup ions (PUIs) and associated wave activity in the near-Earth solar wind environment. The MMS mission, launched by NASA in 2015, placed four spacecraft in orbit to observe Earth’s magnetosphere, a magnetic […] Physicists have long believed that black holes explode at the end of their lives, and that such explosions happen—at most—only once every 100,000 years. But new research published in Physical Review Letters by physicists at the University of Massachusetts Amherst has found a more than 90% probability that one of these black-hole explosions might be […] Scientists have confirmed two long-standing theories relating to black holes—thanks to the detection of the most clearly recorded gravitational wave signal to date. Go to Source For centuries, astronomers have puzzled over the origins of one of the universe’s oldest and densest stellar systems, known as globular clusters. Now, a University of Surrey-led study published in Nature has finally solved the mystery using detailed simulations—while also uncovering a new class of object that could already be in our own galaxy. Go […] Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These “quasi-moons” are small asteroids that enter into a kind of resonance with Earth’s orbit, although they aren’t technically orbiting Earth. In August, this small group of asteroids, called Arjunas, offered […] |
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