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3 tiny new moons found around Uranus and Neptune — and one is exceptionally tiny
The brighter of Neptune's two new moons is provisionally named "S/2002 N5." At 14 miles (23 km) wide, this newly discovered satellite seems to be in a 9-year orbit around Neptune. The fainter moon ...
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Structure of the Solar System
In general, as the distance from the Sun increases: the temperature decreases, for example, Mercury is 430 °C whereas Neptune is -200 °C the time taken to orbit the Sun increases, for example ...