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EurekAlert! is an online science news service featuring health, medicine, science and technology news from leading research institutions and universities. Sponsored by AAAS, the science society. Norwegian University of Science and Technology Graz University of Technology Michigan Medicine - University of Michigan Unive
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Astronomers use MeerKAT to directly detect faint hydrogen signal from the distant Universe
1+ week, 5+ day ago (552+ words) Using South Africa's MeerKAT radio telescope, the international team measured radio emissions from neutral...In this new study, however, the team has directly detected the hydrogen intensity mapping signal using...
The orbital evolution of 2 binary asteroid systems based on Hamel's variational integrators
3+ week, 23+ hour ago (1383+ words) With growing concerns over the impact threat of near-Earth small bodies and the utilization of space...Although existing numerical methods, such as explicit Runge–Kutta integrators, are widely used, they...Science & Technology With growing concerns over the impact threat of…...
Soft and stretchy or rock solid? New modeling study sheds light on how the Earth got its moon
5+ day, 16+ hour ago (654+ words) Simulations using older models that don’t factor in structural strength produce a debris disk (top),...Denton revisited the hypothesis, for the first time using more advanced smoothed particle hydrodynamics...This version of SPH, developed at the U of A and…...
Extremely massive galaxy proto-supercluster smashes distance records
5+ day, 16+ hour ago (829+ words) and lies in one of the densest regions of the cosmic web ever observed COSMOS-z3.1-A was discovered using...graduate students, Byeongha Moon (KASI) and Nicole Firestone (Rutgers), to lead follow-up observations using...Rather than taking a 2D image of the…...
SETI Institute team looks for a new way to find resources in space
3+ week, 4+ day ago (531+ words) A small spacecraft would survey the Moon, a near-Earth asteroid and Phobos during a single mission using...The idea, called Interworld Slingshot Resource Surveys, suggests using a small spacecraft with one remote-sensing...Raman spectroscopy uses laser light aimed at a…...
Close-up of simulated sand with “dolosse”-shaped grains.
3+ week, 6+ day ago (83+ words) This grain shape is inspired by the wave-dissipating concrete blocks with the same name used in coastal...with only slightly more friction than smooth spheres. © Chen et al., ACM Transactions on Graphics For use...
Researchers have uncovered a growing black hole heading toward a merger in the early universe
1+ week, 6+ day ago (420+ words) image: False-color, infrared images from the JWST of dual LRDs created using images filtered at wavelengths...years. view more Credit: COSMOS-Web / Tanaka By continuing the search for these black hole mergers using...measuring the proportion of massive black holes that…...
JWST reveals a race against time for forming planets
2+ week, 5+ day ago (806+ words) This is one of the largest planet-formation studies using JWST....To study this process, Bajaj and his team used archival data from JWST’s Mid-Infrared Instrument (MIRI...
Disruptive Collision of Two Small Moons
5+ day, 17+ hour ago (165+ words) Images/Videos may be used by the public for educational and informational purposes only....
Breakthrough in understanding ice formation in clouds
2+ week, 5+ day ago (389+ words) effective image: Dr Florian Schneider (left) and Prof Dr Angelika Kühnle (right) from Bielefeld University use...All of these factors play a crucial role in the climate....surface features are not necessarily required; widespread, stable surfaces can also play a…...