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Circumplanetary Disk (Artist’s Concept)
1 min read

An artistic rendering of a dust and gas disk encircling the young exoplanet (lower right), CT Cha b, 625 light-years…

Sep 29, 2025
Image
NASA’s Webb Telescope Studies Moon-Forming Disk Around Massive Planet
4 min read

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

Sep 29, 2025
Article
NASA’s Webb Finds Signs of Possible Aurorae on Isolated Brown Dwarf
6 min read

Astronomers using NASA’s James Webb Space Telescope have found a brown dwarf (an object more massive than Jupiter but smaller…

Jan 9, 2024
Article
Moons: Active Worlds
1 min read

Discover the makeup of four active Solar System moons, worlds unto themselves with unique, dynamic environments. The ice worlds of…

Jun 19, 2019
Image
Artist’s Illustration of Kepler-1625 System
1 min read

Artist's Illustration of Possible Moon Outside Our Solar System This is an artist's illustration of the gas giant planet Kepler-1625b…

Oct 3, 2018
Image
Transit of Kepler-1625b and Suspected Moon
1 min read

This diagram represents Hubble Space Telescope photometric observations of the planet Kepler-1625b passing in front of its parent star —…

Oct 3, 2018
Image
Possible Moon Outside Our Solar System (Artist’s Interpretation)
1 min read

This is an artist's interpretation of the gas giant planet Kepler-1625b and a suspected accompanying moon. Estimated to be as…

Oct 3, 2018
Video
Animation of Hubble Transit Data of Potential Exomoon
1 min read

This animation represents the Hubble data and their best-fit light curve for the transit of exoplanet Kepler-1625b and its possible…

Oct 3, 2018
Video
Did the Hubble Telescope Confirm the First Exomoon?
1 min read

The Hubble and Kepler space telescopes found evidence for what could be a giant moon accompanying a gas-giant planet that…

Oct 3, 2018
Video