Most of the nuclear reactions that drive the nucleosynthesis of the elements in our universe occur in very extreme stellar plasma conditions. This intense environment found in the deep interiors of stars has made it nearly ...
Plasma Physics
Aug 7, 2017
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215
In a discovery decades in the making, scientists have detected the first of a "theoretical" class of stars first proposed in 1975 by physicist Kip Thorne and astronomer Anna Żytkow. Thorne-Żytkow objects (TŻOs) are hybrids ...
Astronomy
Jun 4, 2014
10
0
Earth's potassium arrived by meteoritic delivery service finds new research led by Carnegie's Nicole Nie and Da Wang. Their work, published in Science, shows that some primitive meteorites contain a different mix of potassium ...
Planetary Sciences
Jan 26, 2023
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274
A team of astronomers from National Astronomical Observatory of Japan (NAOJ), Osaka Kyoiku University, Nagoya University, and Kyoto Sangyo University observed Nova Delphini 2013 (Figure 1, 3) which occurred on August 14, ...
Astronomy
Feb 18, 2015
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75
(Phys.org) —The universe immediately following the big bang contained mostly hydrogen and some helium. All the other elements needed to make galaxies, planets, and life were formed in stellar interiors or related processes. ...
Astronomy
Jun 3, 2013
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(Phys.org) -- Fifteen years of work by the Lawrence Livermore National Laboratory's National Ignition Facility (NIF) team paid off on July 5 with a historic record-breaking laser shot. The NIF laser system of 192 beams delivered ...
Optics & Photonics
Jul 12, 2012
15
0
(PhysOrg.com) -- Today an international team of astronomers reports the discovery of waves inside a star that travel so deep that they reach the core. The discovery was published in the renowned journal Science, and was possible ...
Astronomy
Mar 18, 2011
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The diversity of colours, shapes, and sizes of planetary nebulae make them fascinating objects. In this photo release Calar Alto presents a rather unique view combining both optical and near-infrared data of the Ring Nebula ...
Astronomy
Nov 2, 2009
2
0
Dark energy, habitable planets around other stars, and the mysterious nature of our own Sun, have been chosen by ESA as candidates for two medium-class missions to be launched no earlier than 2017.
Space Exploration
Feb 19, 2010
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