Why are Uranus and Neptune Different Colors? Haze

A first close-up look at Uranus and Neptune (left, right respectively) showed differences in color and atmospheric activity. Planetary scientists wanted to know why those differences exist. Courtesy NASA/JPL-Caltech/B. Johnson Way back in the late 1980s, the Voyager 2 spacecraft visited Uranus and Neptune. During the flybys, we got to see the first close-up views … Read more

Gemini north telescope helps explain why Uranus and Neptune are different colors — ScienceDaily

Astronomers may now understand why the similar planets Uranus and Neptune are different colors. Using observations from the Gemini North telescope, the NASA Infrared Telescope Facility, and the Hubble Space Telescope, researchers have developed a single atmospheric model that matches observations of both planets. The model reveals that excess haze on Uranus builds up in … Read more

Uranus by 2049: Here’s why scientists want NASA to send a flagship mission to the strange planet

A key committee of scientists has recommended that a flagship mission to Uranus should be NASA’s highest-priority large planetary science mission for the next decade. Uranus is a mostly unexplored world; NASA’s only visit to the seventh planet was Voyager 2‘s brief fly-by on Jan. 24, 1986, during which scientists discovered the planet’s rings and … Read more