These example sentences are selected automatically from various online news sources to reflect current usage of the word 'photosphere.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Jennifer Ouellette, Wired, 18 June 2021 Coronal mass ejections are the largest, connecting the photosphere to the corona, where reconnection can cause an enormous release of energy.Įthan Siegel, Forbes, 8 June 2021 That friendly yellow photosphere boils like oatmeal and is pocked with dark magnetic storms (the infamous sunspots) that crackle, whirl and lash space with showers of electrical particles and radiation. photosphere the intensely luminous surface of a star. The photosphere is effectively the radial zone at which the density of ionised hydrogen atoms becomes low enough that the photons can escape unhindered. Jennifer Ouellette, Wired, 18 June 2021 The findings last year showed that an outer layer of the star, called the photosphere, had begun unevenly accelerating outward right before Betelgeuse began to dim. Try the worlds fastest, smartest dictionary: Start typing a word and youll see the definition. 2022 These are where large, beautiful plasma loops - commonly seen as solar prominences - extend far away from the Sun’s photosphere and can even enter the Sun’s corona.Įthan Siegel, Forbes, 8 June 2021 At its peak, the photosphere was moving at around 7 kilometers per second, reversing the outward push as the dimming of the star became more dramatic. Jennifer Ouellette, Ars Technica, 12 Aug.
2022 The resulting shocks and pulsations were powerful enough to produce an SME, blasting a massive chunk of the star's photosphere into space. Definition: The chromosphere is outside of the photosphere and is approximately 2 500 km thick and has a temperature of nearly 30 000 Kelvin. The term itself is derived from Ancient Greek roots,, /phos, photos meaning light and /sphaira meaning sphere, in reference to the fact that it is a spherical surface that is perceived to emit light. Sentence with extra information: The photosphere is the innermost layer of the sun. Definition Photosphere is the lowest visible layer of a star, lying beneath the chromosphere and the corona. 2022 The shocks and pulsations blasted off a chunk of the photosphere, leaving a cool surface area under a cloud of dust. Definition: The photosphere is the visible surface of the sun. Recent Examples on the Web The piece of Betelgeuse’s photosphere, which weighed several times as much as the moon, was released into space.Īshley Strickland, CNN, 12 Aug.
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