NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...

Over the last ten years, OPAL has observed Uranus' northern hemisphere, which has faced the inner solar system for the ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

Saturn's famous rings are about to disappear. No, not literally – that isn't projected to happen for hundreds of millions of ...

Saturn has at least 146 moons, of which 63 are named—and thousands of moonlets are hiding inside its rings. Four of our planets have rings, but Saturn's are enormous and complex, in a class of ...

Encountering Neptune in 1989, NASA's Voyager mission completed humankind's first close-up exploration of the four giant outer ...

Hubble’s OPAL program tracks Jupiter, Saturn, Uranus, and Neptune Seasonal and atmospheric changes revealed over a decade Key insights into gas giants’ weather systems shared by NASA ...

This is a montage of Hubble Space Telescope views of our solar system's four giant outer planets: Jupiter, Saturn, Uranus, and Neptune, each shown in enhanced color. The images were taken over nearly ...

A NASA Hubble Space Telescope observation program ... Major changes happen when Saturn progresses into the next season. Saturn's mysteriously dark ring spokes, which slice across the ring plane ...

Hubble's ultra-sharp vision reveals a ... Using Eclipses to Calculate the Transparency of Saturn's Rings Nov. 14, 2023 — A student has measured the optical depth of Saturn's rings using a new ...

the image at the lower-left of this composite from the Hubble Space Telescope ... a backyard telescope to look at Saturn and its spectacular ring pattern. According to NASA, you should be able ...