Astronomy/Space Science

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Astronomy / Space Science - Physics - 01.12.2020
Using ancient minerals from deep within Earth's crust to measure cosmic radiation
Using ancient minerals from deep within Earth’s crust to measure cosmic radiation
If you want to understand a part of Earth's galactic history-whether it passed near a supernova during its path around our galaxy, for example-you may be able to find the answer in the crystal structure of a rock, according to a University of Michigan study. The study outlines a method using paleo-detectors, an idea inspired by work from the 1960s, which used ancient minerals to search for new physics.

Astronomy / Space Science - Materials Science - 27.11.2020
Laboratory experiments could unravel the mystery of the Mars moon Phobos
Laboratory experiments could unravel the mystery of the Mars moon Phobos
What causes the weathering of the Mars moon Phobos? Results from TU Wien give new insights, soon a spacecraft will retrieve soil samples. Of course, there is no weather in our sense of the word in space - nevertheless, soil can also "weather" in the vacuum of space if it is constantly bombarded by high-energy particles, such as those emitted by the sun.

Astronomy / Space Science - Physics - 26.11.2020
Unknown Population of Stars Discovered
Unknown Population of Stars Discovered
Near the centre of the Milky Way there exists a heretofore unknown population of stars that exhibits characteristic properties. It was discovered by an international research team under the direction of Dr Manuel Arca Sedda of Collaborative Research Centre "The Milky Way System" (CRC 881) of Heidelberg University.

Physics - Astronomy / Space Science - 26.11.2020
Sun model completely confirmed for the first time
Sun model completely confirmed for the first time
Borexino detector succeeds in measuring the sun's CNO fusion cycle The Borexino Experiment research team has succeeded in detecting neutrinos from the sun's second fusion process, the Carbon Nitrogen Oxygen cycle (CNO cycle) for the first time. This means that all of the theoretical predictions on how energy is generated within the sun have now also been experimentally verified.

Astronomy / Space Science - 23.11.2020
Stammbaum der Milchstraße
Galaxies like the Milky Way formed by the merging of smaller progenitor galaxies. An international team of astrophysicists led by Dr Diederik Kruijssen from the Centre for Astronomy at Heidelberg University has succeeded in reconstructing the merger history of our home galaxy, creating a complete family tree.

Astronomy / Space Science - 23.11.2020
Growing Interest in Moon Resources Could Cause Tension, Scientists Find
Harvard & Smithsonian, has identified a problem with the growing interest in extractable resources on the moon: there aren't enough of them to go around. With no international policies or agreements to decide "who gets what from where," scientists believe tensions, overcrowding, and quick exhaustion of resources to be one possible future for moon mining projects.

Astronomy / Space Science - Computer Science - 19.11.2020
Machine learning: a breakthrough in the study of stellar nurseries
Machine learning: a breakthrough in the study of stellar nurseries
Artificial intelligence can make it possible to see astrophysical phenomena that were previously beyond reach. This has now been demonstrated by scientists from the CNRS, IRAM, Observatoire de Paris-PSL, Ecole Centrale Marseille and Ecole Centrale Lille, working together in the ORION-B 1 programme. In a series of three papers published in Astronomy & Astrophysics on 19 November 2020, they present the most comprehensive observations yet carried out of one of the star-forming regions closest to the Earth.

Astronomy / Space Science - 19.11.2020
"Strange Rays" Crowd Sourced on Social Media Shed Light on Black Hole Illumination
Sparked by an image uploaded to Twitter , new research indicates that the light produced by black hole accretion may be bright enough to reflect off of dust, illuminating the host galaxy, and creating light and dark rays similar to the effect of crepuscular rays on Earth. The research is published in The Astrophysical Journal Letters .

Environment - Astronomy / Space Science - 17.11.2020
Solar Geoengineering May Not be a Long-Term Solution for Climate Change
Seeding the atmosphere with aerosols would not prevent high atmospheric carbon dioxide concentrations from destabilizing low-lying clouds, opening the door to extreme warming Pumping aerosols into the atmosphere to reflect sunlight, thus cooling Earth, is one last-ditch method for dealing with climate change.

Astronomy / Space Science - 13.11.2020
Duration of solar system formation identified
Duration of solar system formation identified
This is an artist's impression of a young star surrounded by a protoplanetary disc in which planets are forming. Using ALMA's 15-kilometre baseline astronomers were able to make the first detailed image of a protoplanetary disc, which revealed the complex structure of the disc. Concentric rings of gas, with gaps indicating planet formation, are visible in this artist's impression and were predicted by computer simulations.

Astronomy / Space Science - Physics - 12.11.2020
Scientists Uncover Truth About Luminous Infrared Kilonova
Scientists today announced that they have observed the most luminous kilonova candidate on record, a find which challenges conventional theories of what happens in the aftermath of a gamma-ray burst. The findings appear in an upcoming issue of The Astrophysical Journal , and points to the possible of birth of a massive, highly magnetized neutron star called a magnetar.

Astronomy / Space Science - Environment - 10.11.2020
Researchers model eruption on Jupiter's moon Europa
Researchers model eruption on Jupiter’s moon Europa
A new model shows how brine on Jupiter's moon Europa can migrate within the icy shell to form pockets of salty water that erupt to the surface when freezing. The findings, which are important for the upcoming Europa Clipper mission, may explain cryovolcanic eruptions across icy bodies in the solar system.

Environment - Astronomy / Space Science - 09.11.2020
Hurricane-tracking CYGNSS satellite system gets NASA renewal as it expands its reach
NASA officials are re-upping investment in the Cyclone Global Navigation Satellite System, a University of Michigan-led research project designed to improve hurricane forecasting that is demonstrating a knack for helping solve problems on land. Launched in late 2016, the eight-microsatellite system analyzes the interaction of water and air near the heart of storm systems to bolster predictions on the severity of storms.

Astronomy / Space Science - Physics - 06.11.2020
Has the hidden matter of the Universe been discovered?
Has the hidden matter of the Universe been discovered?
Astrophysicists consider that around 40% of the ordinary matter that makes up stars, planets and galaxies remains undetected, concealed in the form of a hot gas in the complexe cosmic web. Today, scientists at the Institut d'Astrophysique Spatiale (CNRS/Université Paris-Saclay) may have detected, for the first time, this hidden matter through an innovative statistical analysis of 20-year-old data.  Their findings are published on November 6, 2020 in Astronomy & Astrophysics .

Astronomy / Space Science - Physics - 04.11.2020
A Magnificent Burst from Within Our Galaxy
A suite of radio antennas, including those making up Caltech's STARE2 (Survey for Transient Astronomical Radio Emission 2) project, together with other groundand space-based observatories, have captured overwhelming evidence to help unlock the mysterious cause of cosmic blasts known as fast radio bursts, or FRBs.

Astronomy / Space Science - Physics - 29.10.2020
Einstein’s zoo: LIGO and Virgo confirm gravitational waves from 50 cosmic collisions
The LIGO and Virgo Collaborations, which includes researchers from the University of Birmingham, have announced a further 39 gravitational-wave events, bringing the total number of confident detections to 50. These 50 events include the mergers of binary black hole, binary neutron stars and, possibly, neutron star-black holes.

Astronomy / Space Science - Physics - 29.10.2020
LIGO and Virgo announce new detections in updated gravitational-wave catalogue
The publication of a new catalogue of gravitational wave detections from the LIGO Scientific Collaboration and the Virgo Collaboration is providing valuable new insight into the workings of the universe. The catalog contains 39 new signals from black-hole or neutron-star collisions detected between April 1 and October 1, 2019, which more than triples the number of confirmed detections since the first detection of gravitational waves in September 2015.

Environment - Astronomy / Space Science - 29.10.2020
Trends in hurricane behavior show stronger, slower and farther-reaching storms
A new normal is taking shape as a warming planet is changing hurricane behaviors and patterns. Research over the last decade has shown alarming trends resulting in more destructive hurricanes. Global trends suggest hurricanes are getting stronger, moving more slowly over land, and deviating farther north and south of the equator.

Astronomy / Space Science - 27.10.2020
Lighting a path to Planet Nine
The search for Planet Nine - a hypothesized ninth planet in our solar system - may come down to pinpointing the faintest orbital trails in an incredibly dark corner of space. That's exactly what Yale astronomers Malena Rice and Gregory Laughlin are attempting with a technique that scoops up scattered light from thousands of space telescope images and identifies orbital pathways for previously undetected objects.

Astronomy / Space Science - 27.10.2020
The cosmic network feeds early galaxies
The cosmic network feeds early galaxies
The galaxies in the early universe are much more mature than astrophysicists first thought: their existence at such an early stage is due to their interactions with the cosmos. The first galaxies were formed 200 million years after the birth of the universe. These galaxies accumulated the vast majority of the stars, dust particles and metals they consist of between one and three billion years after the Big Bang, a crucial period for our understanding of how the galaxies were formed.
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