Example Sentences

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Which of the planets in our solar system have orbits that are smaller than the photospheric radius of Betelgeuse listed in in Table 22.2?

From Textbooks • Oct. 13, 2016

They have been compared to immense waves—vast upheavals of photospheric matter, indicative of enormous pressure, and often extending in length for many thousands of miles.

From The Astronomy of Milton's 'Paradise Lost' by Orchard, Thomas Nathaniel

Yet it was but the burned-out sweepings of the outermost photospheric layers of this giant sun, and the radioactive atoms that made a sun active were not here; it was a cold planet.

From Invaders from the Infinite by Campbell, John Wood

Round the edges of the cavity the rupture of the photospheric shell will form lines of weakness provocative of further eruptions, which will, in their turn, deepen and enlarge the cavity.

From A Popular History of Astronomy During the Nineteenth Century Fourth Edition by Clerke, Agnes M. (Agnes Mary)

When a sun-spot has completed its period of existence, the photospheric matter overwhelms the penumbra, and rushes into the umbra, which it obliterates, causing the spot to disappear.

From The Astronomy of Milton's 'Paradise Lost' by Orchard, Thomas Nathaniel