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  • noun

Synonyms for corona

the outermost region of the sun's atmosphere

(botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower

one or more circles of light seen around a luminous object

(anatomy) any structure that resembles a crown in shape

a long cigar with blunt ends

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References in periodicals archive ?
Ultimately, the energy that heats the solar corona and accelerates the solar wind comes from the magnetic energy built up by the tangling photospheric motions.
Solar Orbiter will be launched in February 2019 into a close orbit around the Sun and will allow scientists to study the solar corona in much more detail, for much longer periods, and at a much closer distance that can ever be reached here on the ground, or for that matter, by any spacecraft circling the Earth.
Harkness for the first time obtained the spectrum of the solar corona at the occasion of a solar eclipse in North America in 1869, and discovered an emission line emitted by the corona at a wavelength of 530.
Eclipse enthusiasts will travel from all over the world to experience up to nearly three minutes of midday twilight and glimpse the seldom-seen solar corona, a halo of light from plasma that will frame the blacked-out sun.
Flux ropes are bundles of magnetic fields that together rotate and twist around a common axis, driven by motions in the photosphere, a high-density layer of the Sun's atmosphere below the solar corona and chromosphere.
Many flux tubes are stable for several days on the solar corona in the X-ray images, emitting at steady rate.
Totality occurs when the Moon |completely obscures the Sun so only the solar corona is showing.
Observations of Lovejoy helped shed light not only on comets, but also on the Sun's magnetically active atmosphere as the comet left a trail that traced out flows along the magnetic field of the solar corona.
The embassy said that as a result of this event, Uganda will be an exciting part of Astrological history because the country lies on the part of a Hybrid Solar Eclipse, noting that the total eclipse occurs when the dark silhouette of the moon completely obscures the intensely bright light of the sun allowing the much fainter solar corona to be visible .
is a scientific mission to study the Sun, particularly physical processes that heat the solar corona, accelerate the solar wind, and produce coronal mass ejections ( in picture).
The project will focus on the solar corona, the outer atmosphere of the sun.
It was also observed in detail by NASA's STEREO satellites, actually showing the comet's tail wiggling wildly in transit through the solar corona.
He tracks streamers from the solar corona, the sun's outer atmosphere seen during eclipses.
There are four types of solar eclipses: total, annular, partial and hybrid,A total eclipse occurs when the dark silhouette of the moon completely obscures the sun, allowing the much fainter solar corona to be visible.