Tag Archives: Astrophysics

Nobel Prize in Physics honors the discovery of a supermassive compact object at the heart of the Milky Way

By tracking the orbits of stars close to the galactic center, Reinhard Genzel and Andrea Ghez ruled out all possibilities besides a black hole. Continue reading

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Ion Recoil from Photon Beam Observed

Experiments confirm that photonionized molecules get a backward kick, as predicted by theory.  Continue reading

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Three Helium-Ammonia Compounds Found for Icy Planets

Stable compounds made from helium and ammonia are predicted to form at the extreme pressures found inside Neptune and Uranus.  Continue reading

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Rare nuclear transition provides evidence for stellar explosion mechanism

With its higher-than-expected propensity to capture electrons, neon could drive some stars’ thermonuclear death.  Continue reading

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Rare nuclear transition provides evidence for supernova mechanism

With its higher-than-expected propensity to capture electrons, neon could drive some stars’ thermonuclear death. Continue reading

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Mapping the Remains of Supernovae

A new tool provides detailed, 3-D chemical view of exploded star systems. Continue reading

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Physical cosmology wins a share of the Nobel Prize in Physics

James Peebles developed a mathematical framework that describes how the universe evolved. Decades of empirical evidence later, it still holds up. Continue reading

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Iron-rich object closely orbits a white dwarf

The newly discovered object could be the core of a planet that survived the transition of its host star into a red giant. Continue reading

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A glimpse of a planetary system’s final stages

Detailed spectroscopy measurements may help astronomers discover bodies orbiting white dwarfs. Continue reading

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Satellites glimpse the microphysics of magnetic reconnection

In situ measurements capture a nonturbulent, efficient reconnection event on Earth’s nightside. Continue reading

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