Researchers find a carbon-rich moon-forming disk around giant exoplanet

Many of the most interesting bodies in our Solar System aren’t planets, but the moons that orbit them. They have active volcanoes, hydrocarbon oceans, geysers, and moon-wide oceans buried under icy crusts. And, as far as we can tell, the physics of the processes that produce large planets should make moon formation inevitable. Given how common planets are, our galaxy should be teeming with moons.

Yet, despite some tantalizing hints, we’ve not found a clear indication of a moon orbiting an exoplanet. What we have found are a few very young exoplanets that appear to have moon-forming disks around them. Now, the James Webb Space Telescope has obtained a spectrum of the ring-forming disk around a giant super-Jupiter, and found that it’s rich in small carbon-based molecules. That’s despite the fact that the star it’s orbiting seems to have a planet-forming disk that’s mostly water.

Finding disks

We search for exo-moons and moon-forming disks using completely different methods. To spot an actual moon, we rely on its gravitational influence. At some points in its orbit, it will be towing its planet forward to speed up its orbit; at others, it will be holding its planet back. This introduces subtle variations in the timing of when the planet arrives in front of the star from Earth’s perspective.

Read full article

Comments

Content Accuracy: Keewee.News provides news, lifestyle, and cultural content for informational purposes only. Some content is generated or assisted by AI and may contain inaccuracies, errors, or omissions. Readers are responsible for verifying the information. Third-Party Content: We aggregate articles, images, and videos from external sources. All rights to third-party content remain with their respective owners. Keewee.News does not claim ownership or responsibility for third-party materials. Affiliate Advertising: Some content may include affiliate links or sponsored placements. We may earn commissions from purchases made through these links, but we do not guarantee product claims. Age Restrictions: Our content is intended for viewers 21 years and older where applicable. Viewer discretion is advised. Limitation of Liability: By using Keewee.News, you agree that we are not liable for any losses, damages, or claims arising from the content, including AI-generated or third-party material. DMCA & Copyright: If you believe your copyrighted work has been used without permission, contact us at dcma@keewee.news. No Mass Arbitration: Users agree that any disputes will not involve mass or class arbitration; all claims must be individual.