Hubble Finds First Evidence of Water Vapor at Jupiter’s Moon Ganymede

For the first time, astronomers have uncovered evidence of water vapor in the atmosphere of Jupiter’s moon Ganymede. This water vapor forms when ice from the moon’s surface sublimates — that…

NASA’s Juno Reveals Dark Origins of One of Jupiter’s Grand Light Shows

Researchers found dawn storms are born on the nightside of the gas giant. As the planet rotates, the soon-to-be dawn storm rotates with it into the dayside, where these complex…

Comet Makes a Pit Stop Near Jupiter’s Asteroids

Hawaii’s Asteroid Terrestrial-impact Last Alert System (ATLAS) telescopes located on the extinct volcanoes, one on Mauna Kea and one on Haleakala. Japanese amateur astronomer Seiichi Yoshida tipped off the Hubble…

Moon Shadow Over Jupiter

Jupiter’s volcanically active moon Io casts its shadow on the planet in this dramatic image from NASA’s Juno spacecraft. As with solar eclipses on the Earth, within the dark circle…

Telescopes and Spacecraft Join Forces to Probe Deep into Jupiter’s Atmosphere

From NASA May 7, 2020 NASA’s Hubble Space Telescope and the ground-based Gemini Observatory in Hawaii have teamed up with the Juno spacecraft to probe the mightiest storms in the…

Massive Beauty

From NASA NASA’s Juno mission captured this look at the southern hemisphere of Jupiter on Feb. 17, 2020, during the spacecraft’s most recent close approach to the giant planet. Not…

Findings From NASA’s Juno Update Jupiter Water Mystery

From NASA. NASA’s Juno mission has provided its first science results on the amount of water in Jupiter’s atmosphere. Published recently in the journal Nature Astronomy, the Juno results estimate…

NASA’s Juno Spacecraft Has a Close Encounter with Jupiter

Jan. 14, 2020 NASA’s Juno Spacecraft Has a Close Encounter with Jupiter A multitude of swirling clouds in Jupiter’s dynamic North North Temperate Belt is captured in this image from…

NASA’s Juno Navigators Enable Jupiter Cyclone Discovery

great images~cr From NASA Dec. 12, 2019 NASA’s Juno Navigators Enable Jupiter Cyclone Discovery A new, smaller cyclone can be seen at the lower right of this infrared image of…

Glancing Back

From NASA Dec. 2, 2019 Just after its close flyby of Jupiter on Nov. 3, 2019, NASA’s Juno spacecraft caught this striking view of Jupiter’s southern hemisphere as the spacecraft…

Tumultuous Clouds of Jupiter

From NASA June 27, 2019 Tumultuous Clouds of Jupiter This stunning image of Jupiter’s stormy northern hemisphere was captured by NASA’s Juno spacecraft as it performed a close pass of…