ExoMoons - Ireland

Massive exomoon: Large brownish planet with banded atmosphere and a smaller bluish moon, with their sun in the distance.

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Is a surprisingly massive exomoon orbiting this big exoplanet?

February 1, 2026

View larger. | Artist’s concept of a massive exomoon orbiting a gas giant exoplanet. A team of astronomers…

An illustration of a young planet with a surrounding disk of dust and gas potentially forming moons. The planet, which appears dark red, is shown at lower right, circled by a cloudy, clumpy reddish orange-colored disk. The host star appears at upper left, and glows yellow, with its own reddish disk of debris. The disk that surrounds the planet takes up about half the illustration. The black background of space is speckled with stars. At the bottom of the illustration, graphics of molecules are listed in the following order: diacetylene, hydrogen cyanide, propyne, acetylene, ethane, carbon dioxide, benzene. The words Artist’s Concept appear at upper right.

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NASA’s Webb Telescope Studies Moon-Forming Disk Around Massive Planet

September 29, 2025

NASA’s James Webb Space Telescope has provided the first direct measurements of the chemical and physical properties of…

An illustration of a young planet with a surrounding disk of dust and gas potentially forming moons. The planet, which appears dark red, is shown at lower right, circled by a cloudy, clumpy reddish orange-colored disk. The host star appears at upper left, and glows yellow, with its own reddish disk of debris. The disk that surrounds the planet takes up about half the illustration. The black background of space is speckled with stars. At the bottom of the illustration, graphics of molecules are listed in the following order: diacetylene, hydrogen cyanide, propyne, acetylene, ethane, carbon dioxide, benzene. The words Artist’s Concept appear at upper right.

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NASA’s Webb Telescope Studies Moon-Forming Disk Around Massive Planet

September 29, 2025

NASA’s James Webb Space Telescope has provided the first direct measurements of the chemical and physical properties of…