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astronomy an imaginary line through the middle of an object such as a planet, round which it seems to spin
the central part of a planet
the outer atmosphere of the Sun
a large round hole on the surface of a planet caused by a meteorite hitting the surface
astronomy the brightness of a star, shown as a number
science a dark area on the surface of the sun
a medical test in which blood cells are taken from the body and examined to find out if they are healthy
the lowest female singing voice, or a woman with this singing voice
someone on a film set who takes care of plants, trees, and other various landscaping materials like rocks, gravel, sand, etc.
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Free thesaurus definition of parts of planets and stars from the Macmillan English Dictionary - a free English dictionary online with thesaurus and with pronunciation from Macmillan Publishers Limited.