NASA’s Spitzer Illuminates Exoplanets in Astronomical Society Briefing – NASA https://www.nasa.gov/centers-and-facilities/jpl/nasas-spitzer-illuminates-exoplanets-in-astronomical-society-briefing/
The infrared observatory may help answer questions about planets outside our solar system, or exoplanets, including how they form and what drives weather in
Brown dwarfs, on the other hand, can act as a sort of control group and be observed