UA-113443594-1

Milky Way’s neighbors pick up the pace

After slowly forming stars for the first few billion years of their lives, the Magellanic Clouds, near neighbors of our own Milky Way galaxy, have upped their game and are now forming new stars at a fast clip. This new insight into the history of the Clouds comes from the first detailed chemical maps made of galaxies beyond the Milky Way. Named for explorer Ferdinand…

Keeping astronauts healthy during deep space missions

When you get sick, a doctor or hospital is typically right down the road, a couple hours away at most. But what if the nearest one was 34 million miles and eight months away? George Mias, Michigan State University biochemistry and molecular biology researcher, believes precision medicine - a personalized approach using technology to analyze an individual's wellness to predict and possibly prevent illnesses -…

How hot are atoms in the shock wave of an exploding...

IMAGE: An international team of researchers combined observations of nearby supernova SN1987A, made with NASA's Chandra X-Ray Observatory, with simulations to measure the temperature atoms in the shock wave that occurs... view more  Credit: Marco Miceli, Dipartimento di Fisica e Chimica, Università di Palermo, and INAF-Osservatorio Astronomico di Palermo, Palermo, Italy A new method to measure the temperature of atoms during the explosive death of a…

AAAS and Subaru of America announce winners of children’s book awards

A Bangladeshi boy's sustainable science project; the world of asteroid research; the rich history of the buildings surrounding us; and the life of a world-famous inventor are the stories told by the winners of the 2019 AAAS/Subaru SB&F Prizes for Excellence in Science Books. The prizes, announced Thursday by AAAS and Subaru of America Inc., celebrate outstanding science writing and illustration for children and young…

Deep Learning Attitude Sensor provides real-time image recognition from satellite orbit

IMAGE: This is an example of vegetation/land-use identification using an Earth image from the ISS. view more  Credit: Yoichi Yatsu Researchers at Tokyo Institute of Technology (Tokyo Tech) have developed a low-cost star tracker and Earth sensor made from commercially available components. The star tracker is designed for use with micro-satellites in handling calibration observations, operation verification tests, and long-term performance monitoring during orbit. Embodying the…

Scientists find increase in asteroid impacts on ancient Earth by studying...

TORONTO, ON (Canada) - An international team of scientists is challenging our understanding of a part of Earth's history by looking at the Moon, the most complete and accessible chronicle of the asteroid collisions that carved our solar system. In a study published today in Science, the team shows the number of asteroid impacts on the Moon and Earth increased by two to three times…

CTA prototype, the Schwarzschild-Couder Telescope, inaugurated at Whipple Observatory

IMAGE: On Jan. 17, 2019, a prototype telescope proposed for the Cherenkov Telescope Array (CTA), the prototype Schwarzschild-Couder Telescope (pSCT) was unveiled in a special inauguration event at the Center for... view more  Credit: Amy Oliver, Fred Lawrence Whipple Observatory, Center for Astrophysics | Harvard & Smithsonian AMADO, Ariz. -- On 17 January 2019, a prototype telescope proposed for the Cherenkov Telescope Array (CTA), the prototype…

SwRI scientists study moon craters to understand Earth’s impact history

SAN ANTONIO -- January 17, 2019 -- Using images and thermal data collected by NASA's Lunar Reconnaissance Orbiter (LRO), Southwest Research Institute scientists and their collaborators have calculated the ages of large lunar craters across the Moon to be less than 1 billion years. By comparing the impact history of the Moon with Earth's craters over this interval, they discovered that the rate of sizable…

Earth and moon pummeled by more asteroids since the age of...

The number of asteroids colliding with the Earth and Moon has increased by up to three times over the past 290 million years, according to a major new study involving the University of Southampton. These findings, published in Science, challenge our previous understanding of Earth's history. Scientists have tried to understand the rate that asteroids hit the Earth for decades, usually by studying the craters…

Observations of nearby supernova and associated jet cocoon provide new insights...

IMAGE: Artist representation of the hypernova. view more  Credit: Anna Serena Esposito WASHINGTON (Jan. 17, 2019)--Gamma-ray bursts are the most powerful explosions in the cosmos. These explosions last several seconds and emit the same amount of light as nearly all the stars in the universe. Such extreme amounts of energy can only be released during catastrophic events like the death of a very massive star, and…
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