The phrase
"cometary nuclei" refers to the solid center or core of a comet. It is the condensed part of a comet that contains ice, dust, and other materials.
Full definition
Synonyms for individual words can be found below.
«cometary»
«nucleus»
Sentences with «cometary nuclei»
- Over the coming month the European Space Agency's (ESA) Rosetta mission will fire its main engines no less than eight times to tweak its interplanetary intercept course with Comet Churyumov - Gerasimenko; eventually sidling up to the 4 kilometer wide cometary nucleus at about 7.9 meters per second in early August. (scientificamerican.com)
- The image shows the nucleus, about five kilometers across, and unlike other cometary nuclei, it seems to be round. (scientificamerican.com)
- The authors suggest that the cyclic sublimationcondensation of ice triggered by varying illumination conditions may be a general process acting on cometary nuclei. (nature.com)
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