Reference Terms
from Wikipedia, the free encyclopedia
Corona
In astronomy, a corona is the luminous plasma "atmosphere" of the Sun or other celestial body, extending millions of kilometres into space, most easily seen during a total solar eclipse, but also observable in a coronagraph.
Note: The above text is excerpted from the Wikipedia article "Corona", which has been released under the GNU Free Documentation License.
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Space & Time News
June 1, 2024
May 31, 2024 — Mars has a distinct structure in its mantle and crust with discernible reservoirs, and this is known thanks to meteorites that scientists have analyzed. These results are important for understanding not only how Mars formed and evolved, but also for ...
May 23, 2024 — Researchers have now seen the formation of three of the earliest galaxies in the universe, more than 13 billion years ago. The sensational discovery contributes important knowledge about the ...
May 23, 2024 — The first scientific pictures from the Euclid satellite mission have revealed more than 1,500 billion orphan stars scattered throughout the Perseus cluster of ...
May 23, 2024 — While thousands of planets have been discovered around other stars, relatively little is known about them. A NASA catalog featuring 126 exotic, newly discovered worlds includes detailed measurements that allow for comparisons with our own solar ...
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May 30, 2024 — Combining a new imaging instrument with the powerful adaptive optics capabilities of the Large Binocular Telescope, astronomers have captured a ...
May 30, 2024 — New research demonstrated a possible formation mechanism of intermediate-mass black holes in globular clusters, star clusters that could contain tens ...
May 30, 2024 — Over the last two years, scientists have used NASA's James Webb Space Telescope to explore what astronomers refer to as Cosmic Dawn -- the period in the first few hundred million years after the big ...
May 29, 2024 — Researchers have applied the well-understood and highly verified quantum field theory, usually applied to the study of the very small, to a new target, the early universe. Their exploration led to ...
May 29, 2024 — The moon orbiting the asteroid Dinkinesh is actually two tiny moons stuck together. Collectively called 'Selam,' the two moonlets bring new insight into the complex processes behind planetary ...
May 29, 2024 — A new study may help redefine how scientists map the surface of the Moon, making the process more streamlined and precise than ever ...
May 28, 2024 — Scientists have come a step closer to identifying the mysterious origins of the 'slow' solar wind, using data collected during the Solar Orbiter spacecraft's first close journey to the ...
May 23, 2024 — Astronomers have discovered a planet between the sizes of Earth and Venus only 40 light-years ...
May 23, 2024 — Astronomers have made the rare and tantalizing discovery of an Earth-like exoplanet 40 light-years away that may be just a little warmer than our own world. The potentially-habitable planet, named ...
May 22, 2024 — Surprise findings suggest sunspots and solar flares could be generated by a magnetic field within the Sun's outermost layers. If confirmed, the findings could help scientists better predict space ...