US EditionUranus changed structure and brightened significantly, study finds
- Researchers analyzed two decades of observations from the Hubble Space Telescope to reveal that Uranus has undergone structural changes and increased in brightness between 2002 and 2022.
- The study focused on Uranus' seasonal changes and unique tilted orbit, as methane distribution in its atmosphere varies differently than Jupiter or Saturn.
- The research team employed Hubble's Space Telescope Imaging Spectrograph to track a decrease in methane concentration near Uranus' poles, while observing notable variations in aerosol and haze levels over a twenty-year span.
- Uranus takes 84 Earth years to orbit the Sun, with hot and cold seasons each lasting about 42 years, and features will brighten near the northern pole by 2030, according to researchers.
- Researchers plan to continue observations through Uranus' approach to northern summer, expecting new insights from telescopes like James Webb and from studies of moons such as Miranda.
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Hubble reveals 20-year time-lapse of Uranus' changing atmosphere
An international team used 20 years of data and photos taken by the Hubble Space Telescope to study Uranus' atmosphere and its seasonal changes. The icy world was portrayed for the first time in 1986, during a Voyager 2 flyby. We have known about Uranus' characteristic cyan color since then,...Read Entire Article
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