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Unravelling Coronal Mass Ejections from Our Solar System’s Origin

Young stars ejecting plasma could give us clues into the Sun’s past Kyoto, Japan — Down here on Earth we don’t usually notice, but the Sun is frequently ejecting huge masses of plasma into space. These are called coronal mass ejections (CMEs). They often occur together with sudden brightenings called flares, and sometimes extend far enough to disturb Earth’s magnetosphere, generating space weather phenomena including auroras or geomagnetic storms, and even damaging power grids on occasion. Scientists believe that when…

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Physics & Astronomy

Meteorite Grains Divulge Earth’s Cosmic Roots

Heck and his colleagues examined 22 interstellar grains from the Murchison meteorite for their analysis. Dying sun-like stars flung the Murchison grains into…

Physics & Astronomy

New Method Separates Cancer Cells From Normal Cells

These metastatic cells tend to move more than their non-metastatic variants but this movement is poorly understood. Scientists are studying cancer cells…

Physics & Astronomy

Caltech scientists use high-pressure 'alchemy' to create nonexpanding metals

The discovery, described in a paper in Physical Review Letters (PRL), offers insight into the exotic behavior of materials existing at high pressures—which…

Physics & Astronomy

Meteorite grains divulge Earth's cosmic roots

Heck and his colleagues examined 22 interstellar grains from the Murchison meteorite for their analysis. Dying sun-like stars flung the Murchison grains into…

Physics & Astronomy

Scientists Break Light Modulation Speed Record – Twice

But, the researchers didn’t stop there. By internally connecting the base and collector of a light-emitting transistor, they created a new form of…

Physics & Astronomy

Caltech Study Reveals Longevity Insights for Life-Bearing Planets

Roughly a billion years from now, the ever-increasing radiation from the sun will have heated Earth into inhabitability; the carbon dioxide in the atmosphere…

Physics & Astronomy

The Earth’s magnetic field remains a charged mystery

The controversial new paper published in New Journal of Physics (co-owned by the Institute of Physics and the German Physical Society), ‘Secular variation of…

Physics & Astronomy

Exploring SNR 0104: A Unique Supernova Remnant Discovery

In this composite made of X-rays from Chandra shown in purple and infrared data from Spitzer shown in green and red, SNR 0104 looks unlike other likely Type Ia…

Physics & Astronomy

New Definition May Shrink Habitable Zones Around Distant Suns

As astronomers gaze toward nearby planetary systems in search of life, they are focusing their attention on each system's habitable zone, where heat radiated…

Physics & Astronomy

Insights from Earth-Based Research on July’s Total Solar Eclipse

The July 22 total solar eclipse, visible from China and India (but not the United States), will be the longest in the 21st century. Teams of scientists from…

Physics & Astronomy

Physicists Uncover New Insights Into Rain Formation

Now two physicists from Michigan Technological University and colleagues at the Universidad Nacional Autónoma de México (National University of Mexico) have…

Physics & Astronomy

Prof. Hiesinger Discusses Lunar Exploration Innovations

“I've booked my flight to Florida, I can hardly wait for things to get going,” says Prof. Harald Hiesinger from the Institute of Planetology at Münster…

Physics & Astronomy

Freestanding Nanoparticle Films: A Breakthrough in Innovation

­In the last 25 years, ever since scientists figured out how to create nanoparticles ­ ultrafine particles with diameters less than 100 nanometers ­ they have…

Physics & Astronomy

New Tidal Debris Unveiled From Colliding Galaxies

The research will be being presented during a press conference at the 214th annual American Astronomical Society meeting in Pasadena, California by Drs. Jin…

Physics & Astronomy

New Tool Visualizes Past and Future Lunar Eclipses

Lunar eclipses are well-documented throughout human history. The rare and breathtaking phenomena, which occur when the moon passes into the Earth’s shadow and…

Physics & Astronomy

New Method to Measure Cosmic Distances Three Times Farther

Ohio State University researchers have found a way to measure distances to objects three times farther away in outer space than previously possible, by…

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