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Archive for the ‘space’ category: Page 64

Apr 2, 2024

World’s first flying taxi and other technology stories you need to read

Posted by in categories: climatology, economics, space

3 recent technology stories.

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Apr 1, 2024

Scientists use X-rays to reveal speed of neutron star jets

Posted by in category: space

Astronomers measured neutron star jets, reaching one-third light speed. They utilized X-ray bursts to time the jet launch.

Apr 1, 2024

Decoding Earth’s Cosmic Shields in Groundbreaking Study

Posted by in categories: particle physics, space

New insights into near-Earth space’s hazardous environment could revolutionize space weather prediction, driven by collaborative international research.

A challenge to space scientists to better understand our hazardous near-Earth space environment has been set in a new study led by the University of Birmingham.

The research represents the first step towards new theories and methods that will help scientists predict and analyze the behavior of particles in space. It has implications for theoretical research, as well as for practical applications such as space weather forecasting.

Apr 1, 2024

When Trees Fall, Mercury Rises: Unveiling a Hidden Environmental Threat

Posted by in category: space

Scientists quantify a previously overlooked driver of human-related mercury emissions.

About 10 percent of human-made mercury emissions into the atmosphere each year are the result of global deforestation, according to a new MIT study.

The world’s vegetation, from the Amazon rainforest to the savannahs of sub-Saharan Africa, acts as a sink that removes the toxic pollutant from the air. However, if the current rate of deforestation remains unchanged or accelerates, the researchers estimate that net mercury emissions will keep increasing.

Apr 1, 2024

Space travel alters human vascular cell function, study finds

Posted by in category: space

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Study investigates the transcriptomic changes in human vascular smooth muscle cells exposed to spaceflight, revealing significant alterations in gene expression affecting cellular function and phenotype.

Apr 1, 2024

Scientists Ignited a Thermonuclear Explosion Inside a Supercomputer

Posted by in categories: space, supercomputing

Computer simulations are giving us new insight into the riotous behavior of cannibal neutron stars.

When a neutron star slurps up material from a close binary companion, the unstable thermonuclear burning of that accumulated material can produce a wild explosion that sends X-radiation bursting across the Universe.

How exactly these powerful eruptions evolve and spread across the surface of a neutron star is something of a mystery. But by trying to replicate the observed X-ray flares using simulations, scientists are learning more about their ins and outs – as well as the ultra-dense neutron stars that produce them.

Mar 31, 2024

New conversion surfaces to enhance spacecraft instruments

Posted by in categories: engineering, particle physics, space

Southwest Research Institute has invested in research to enhance the capabilities of spacecraft instruments. Consequently, they have developed more effective conversion surfaces for the detection and analysis of low-energy particles in outer space.

Led by Dr. Jianliang Lin of Mechanical Engineering and Dr. Justyna Sokół of the Space Science Division, the project could potentially change our understanding of space physics and exploration.

Mar 31, 2024

NASA’s 1st female chief engineer at Kennedy Space Center wants to put a space station around the moon (exclusive)

Posted by in category: space

If everybody thinks alike, you’re not thinking about the problem correctly.

Mar 31, 2024

Einasto Supercluster: The New Heavyweight Contender in the Universe

Posted by in category: space

An international team of scientists led by astronomers from Tartu Observatory of the University of Tartu has discovered many superclusters in the universe, with the most prominent among them named the ‘Einasto Supercluster’ in honor of Prof. Jaan Einasto, a pioneering figure in the field, who celebrated his 95th birthday on 23 February.

Superclusters, akin to vast metropolitan cities in space, represent the largest and most massive collections and clusters of galaxies in the universe. The team’s findings not only expanded our understanding of these vast structures but also paved the path to shed light on the ongoing mystery of their formation.

In their study, the scientists determined that the typical mass of superclusters is an astonishing 6 million times billion that of the sun, with an average size of 200 million light-years. To put this into perspective, these superclusters are approximately 2,000 times larger than our own Milky Way galaxy.

Mar 31, 2024

Multi-Planetary Empires

Posted by in categories: media & arts, space

One day humanity may settle countless worlds, but could any nation hope to govern multiple planets or even star systems?
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