月球壁纸
by Image data: NASA/JPL-Caltech/SwRI/MSSS Image processing by Andrea Luck © CC BY
NASA Image Library · 公有领域（Public Domain）
关于这张图
NASA's Juno mission captured this view of Jupiter's southern hemisphere during the spacecraft's 39th close flyby of the planet on Jan. 12, 2022. Zooming in on the right portion of the image (Figure 1) reveals two more worlds in the same frame: Jupiter’s intriguing moons Io (left) and Europa (right). Io is the solar system's most volcanic body, while Europa's icy surface hides a global ocean of liquid water beneath. Juno will have an opportunity to capture much more detailed observations of Europa – using several scientific instruments – in September 2022, when the spacecraft makes the close…
