Tag Archive for 'OPAL program'

These Hubble images show Saturn and the gas giant’s southern pole with its 10-sided atmospheric wave. Image credit: NASA / ESA / STScI / Agustin Sánchez-Lavega, UPV / Amy Simon, NASA’s Goddard Space Flight Center / Michael Wong, UC Berkeley / Alyssa Pagan.

Astronomers Discover Decagonal Wave circling Saturn’s South Pole

Sep 2, 2026 by Enrico de Lazaro

For almost five decades, Saturn’s north pole has been famous for hosting a bizarre, six-sided jet stream known as the hexagon, a feature first spotted...

From 2014 to 2024, Hubble has been studying Jupiter, Saturn, Uranus, and Neptune under the OPAL program. Image credit: NASA / ESA / Hubble / A. Simon, NASA-GSFC / M.H. Wong, UC Berkeley / J. DePasquale, STScI.

Hubble’s OPAL Program Celebrates Decade of Tracking Solar System’s Giant Planets

Dec 10, 2024 by News Staff

The OPAL (Outer Planet Atmospheres Legacy) program obtains long-term baseline observations of Jupiter, Saturn, Uranus, and Neptune in order to understand...