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| Description: Comet Nuclei (a) This image, taken by the Giotto spacecraft, shows the potato-shaped nucleus of Comet Halley. Its dark nucleus measures 15 km in its longest dimension and about 8 km in its shortest. The numerous bright areas on the nucleus are icy outcroppings that reflect more sunlight than surrounding areas of the comet. Two jets of gas can be seen emanating from the left side of the nucleus Picture Stats: Views: 618 Filesize: 78.69kB Height: 900 Width: 1187 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18305 |