Science

Unlocking the Secrets of WASP-80 b: A Rare Warm Giant Exoplanet

2025-06-05

Author: Jia

Meet WASP-80 b: A Cosmic Gem

WASP-80 b is turning heads in the astronomical community! This intriguing warm sub-Jovian planet, boasting an equilibrium temperature of around 820 K and weighing in at just 0.5 times that of Jupiter, offers a unique glimpse into the characteristics of gas giants orbiting low-mass stars.

A Treasure Trove of Atmospheric Chemistry

What makes WASP-80 b especially fascinating is its relatively moderate temperature, allowing for a rich atmospheric makeup. Its atmosphere is believed to contain a variety of carbon and oxygen species, including water (H₂O), methane (CH₄), carbon monoxide (CO), carbon dioxide (CO₂), and even ammonia (NH₃).