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Webb telescope finds carbon dioxide on Pluto's largest moon
The Straits Times
|October 03, 2024
Latest observations of Charon give clues to formation of celestial bodies in solar system
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WASHINGTON - Observations by the James Webb Space Telescope are giving scientists a fuller understanding of the composition and evolution of Pluto's moon Charon, the largest moon orbiting any of the solar system's dwarf planets. Webb for the first time detected carbon dioxide and hydrogen peroxide - both frozen as solids - on the surface of Charon, a spherical body about 1,200km in diameter, researchers said on Oct 1. Those are added to the water ice, ammonia-bearing compounds and organic materials previously documented on Charon's surface.
Charon, discovered in 1978, has the distinction of being the solar system's largest moon relative in size to the planet it orbits. It is about half the diameter and an eighth the mass of Pluto, a dwarf planet that resides in a frigid region of the outer solar system called the Kuiper Belt, beyond the most distant planet, Neptune.
Esta historia es de la edición October 03, 2024 de The Straits Times.
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