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solar prominence
(astronomy) Any of the large eruptions of luminous hydrogen gas that rise thousands of kilometers above the chromosphere of the Sun.
solar wind
(astronomy) The outflow of charged particles from the solar corona into space. Because of the high temperature of the particles of the corona, they are moving at speeds higher than the solar escape velocity.
solar topee
A pith helmet.
solar day
(astronomy) one day of solar time, the time between successive noons; the time in which a planet such as Earth apparently rotates once around its axis, relative to the sun (on Earth about 24 hours as an average - the length of solar day is not constant throughout the year)
Solar System
The Sun and all the heavenly bodies that orbit around it, including the eight planets, their moons, the asteroids, and comets.
solar plexus
(anatomy) A complex network of nerves and ganglia, located within the abdomen behind the stomach.
solar time
solar flare
(astronomy) A violent explosion in the Sun's atmosphere.
solar calendar
A calendar based on the movement of the Earth around the Sun, which defines the year. Dates indicate the position of the Earth during this revolution.
solar mass
(astronomy) A unit, equal to the mass of the sun, used to express the mass of other stars etc. 1 M_☉ = 2 × 10³⁰ kg.
