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 assumptions that water activity on asteroids only occurred in the earliest moments of solar system history. This could impact current models, including those describing the formation of Earth.
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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 stellar jet, located in a nebula known as Sharpless 2-284 (Sh2-284 for short), qualifies it as rare, say researchers.
Noise is annoying, whether you’re trying to sleep or exploit the laws of quantum physics. Although noise from environmental disturbances will always be with us, a team including scientists at the National Institute of Standards and Technology (NIST) may have found a new way of dealing with it at the microscopic scales where quantum physics reigns. Addressing this noise could make possible the best sensors ever made, with applications ranging from health care to mineral exploration.
Spintronics is an emerging field that leverages the spin, or the intrinsic angular momentum, of electrons. By harnessing this quantum-relativistic property, researchers aim to develop devices that store and transmit information faster, more efficiently, and at higher data densities, potentially making devices much smaller than what is possible today. These advances could drive next-generation memory, sensors, and even quantum technologies.
The man, suspected of armed robbery, refused to show his hands; Boise Police officers fired shots when he emerged from his hiding spot holding the stick
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 field around the planet that shields it from harmful solar and cosmic radiation.
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.
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.
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 seen within the decade, and that, if we are prepared, our current fleet of space and earthbound telescopes could witness the event.
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 another companion to add to the list.
Traditionally, black holes are usually thought to “reside” at the centers of galaxies. However, a research team led by Dr. An Tao from the Shanghai Astronomical Observatory of the Chinese Academy of Sciences has discovered a wandering black hole in a dwarf galaxy located about 230 million light-years away (redshift z = 0.017).
A decade ago, scientists first detected ripples in the fabric of space-time, called gravitational waves, from the collision of two black holes. Now, thanks to improved technology and a bit of luck, a newly detected black hole merger is providing the clearest evidence yet of how black holes work—and, in the process, offering long-sought confirmation of fundamental predictions by Albert Einstein and Stephen Hawking.
Phases of matter are the basic states that matter can take—like water that can occur in a liquid or ice phase. Traditionally, these phases are defined under equilibrium conditions, where the system is stable over time. But nature allows for stranger possibilities: new phases that emerge only when a system is driven out of equilibrium. In a new study published in Nature, a research team shows that quantum computers offer an unparalleled way to explore those exotic states of matter.
“Out of an abundance of caution we are surging resources,” Commissioner Jessica Tisch said. “And you can expect to see an increase in police presence at critical infrastructure locations”
Enki (“En” Lord, “ki” Earth), or Ea (“E” Temple, “A” Water) is one of the three most important gods of Mesopotamian culture. He is the god of wisdom, lord of magic, construction, arts, design, and creation. Enki has been interpreted as The Lord of Earth; He was the stepbrother of the god Enlil, and son of An. His sole mission was to create men and to encourage other deities to believe in them. Enki was also the original patron God of the ancient city of Eridu, and his influence spread throughout history throughout Mesopotamia and to the Canaanites, Hittites and even Hurrians. Interestingly, Enki was associated with the southern band of constellations called stars of Ea, but also with the constellation AŠ-IKU—Pegasus, a constellation in the northern sky. Sometime during the second millennium BCE, Enki was referred to in writing by the numeric ideogram for “40,” which was also referred to as His “sacred number.” Enki is the creator of mankind—according to what is told in the epic legend Acadia of Atrahasis—solely for the purpose of releasing the gods from their work. Enki used an existing hominid which he (Genetically?) manipulated in some in order to make man capable of understanding and meet the needs of the gods. He is also later considered mankind’s savior since he warned Ziusudra of the universal flood. The Universal flood was brought upon mankind by Enlil, the “Lord of Heaven (air or atmosphere)”.  Before the divine assembly, apparently worried about the excessive proliferation of the human race and uncanny behavior Enlil proposed to put an end to humanity. Enlil managed to convince the rest of the gods, gathered in assembly, to authorize the extermination of Humanity. This legend probably gave rise to the later biblical account of Noah and the universal flood. He was the master shaper of the earth, god of wisdom and of all magic, Enki was described as the lord of the Abzu (Apsu in Akkadian), the freshwater sea or groundwater located within the earth— where “primordial waters” flow. He is also the creator of the apkallu (ab-gal-lu “great man-fish” in Sumerian) who during the day taught men in all kinds of subjects, and at night they retired to the bottom of the sea.  Interestingly, Enki was considered the keeper of the divine powers called Me, the gifts of civilization. Enki’s image was a double-helix snake or the Caduceus, sometimes confused with the Rod of Asclepius used to symbolize medicine. Enki created the first seven wise men or “Abgallu” (Ab = water, Gal = great, Lu = Man), also known as Adapa using the blood of slain Kingu. Adapa, the first man, fashioned, later goes and acts as the advisor to the King of Eridu, when in the Sumerian king list, the “Me” of “kingship descends on Eridu”. The main temple to Enki was called E-abzu, meaning “abzu temple.” It was a ziggurat temple surrounded by Euphratean marshlands near the ancient Persian Gulf coastline at the ancient city of Eridu. It is considered the very first temple known to have been built in Southern Iraq. Four separate archaeological excavations at the site of Eridu have demonstrated the existence of a shrine dating back to the earliest Ubaid period, more than 6,500 years ago. Over the following 4,500 years, the temple was expanded 18 times, until it was abandoned during the Persian period. It is believed that over the following 4,500 years, the temple was expanded up to 18 times until it was eventually abandoned during the Persian period. |
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