Trans-Neptunian Object 2002 XV93
In May 2026, astronomers discovered that the trans-Neptunian object (612533) 2002 XV93 possesses a thin atmosphere, making it only the second known object beyond Neptune after Pluto to have an atmosphere.
What are Trans-Neptunian Objects (TNOs)?
- Celestial bodies located beyond the orbit of Neptune.
- Mostly composed of ice, rock & organic-rich material.
- Found primarily in the Kuiper Belt region of the Solar System.
How was the atmosphere detected?
- Stellar Occultation Technique: Researchers used telescopes in Japan during a stellar occultation event.
What is Stellar Occultation?
- Occurs when a celestial object passes in front of a distant star.
- Temporary dimming of starlight helps scientists ....
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