Saturn closest to Earth on September 21: Best time to watch the planet at its brightest, viewing tips, and other information

Mark your calendars for September 21, 2025, as Saturn will reach opposition, offering a spectacular view of the ringed planet ...
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Martian Moon Deimos Pass In Front Of Jupiter And Its Moons

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order). Credit: Space.com | footage credit: ESA/DLR/FU Berlin ...

Come and See the Star with Its Own Halo: Saturn's Opposition on September 21, Visible Across the Nation

What is Saturn's opposition? It occurs when Saturn is positioned 180° opposite the Sun in its celestial longitude (see ...