太陽系外縁天体に大気確認　冥王星以外で初―国立天文台など

About this episode

The episode discusses the discovery of an atmosphere on a trans-Neptunian object, the first such finding outside of Pluto.

冥王星以外で初めて大気が確認された太陽系外縁天体「２００２ＸＶ９３」の想像図。 A thin atmosphere has been found to exist on one of thousands of trans-Neptunian objects, or TNOs, small celestial bodies outside Neptune, the outermost planet in the solar system, a research team including the National Astronomical Observatory of Japan said.

Topics covered

• astronomy
• trans-Neptunian objects
• space exploration
• atmosphere discovery
• scientific research

Keywords

• atmosphere
• trans-Neptunian objects
• 2002 XV93
• National Astronomical Observatory
• space
• Neptune
• Pluto

Mentioned in this episode

Organizations: 国立天文台

Books & works: ２００２ＸＶ９３

Places: 冥王星, 太陽系外縁天体, Neptune, solar system

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