Tag: Neptune
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What’s Up: September 2026 Skywatching Tips from NASA
Brilliant Venus and a Harvest Moon Use the Moon to find Antares and the Teapot, spot brilliant Venus, welcome the equinox, and see the Harvest Moon near Saturn and Neptune. Skywatching Highlights Transcript The Moon joins a tea party… Venus…
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NASA’s Webb Captures Neptune’s Auroras For First Time
Long-sought auroral glow finally emerges under Webb’s powerful gaze For the first time, NASA’s James Webb Space Telescope has captured bright auroral activity on Neptune. Auroras occur when energetic particles, often originating from the Sun, become trapped in a planet’s…
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NASA’s Hubble Celebrates Decade of Tracking Outer Planets
Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer planets of our solar system. Collectively, since their launch in 1977, the twin Voyager 1 and Voyager 2 spacecraft discovered that Jupiter, Saturn,…
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Neptune’s Disappearing Clouds Linked to the Solar Cycle
Astronomers have uncovered a link between Neptune’s shifting cloud abundance and the 11-year solar cycle, in which the waxing and waning of the Sun’s entangled magnetic fields drives solar activity. This discovery is based on three decades of Neptune observations…
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New Webb Image Captures Clearest View of Neptune’s Rings in Decades
NASA’s James Webb Space Telescope shows off its capabilities closer to home with its first image of Neptune. Not only has Webb captured the clearest view of this distant planet’s rings in more than 30 years, but its cameras reveal…
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Why Uranus and Neptune Are Different Colors
Neptune and Uranus have much in common yet their appearances are notably different. Astronomers now have an explanation for why the two planets are different colors.
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New Study Finds Unexpected Temperature Changes on Neptune
The average global temperature on Neptune unexpectedly fluctuated during a recent 17-year period, according to a new study.
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Hubble’s Grand Tour of the Outer Solar System
From its vantage point high above Earth’s atmosphere, NASA’s Hubble Space Telescope has completed this year’s grand tour of the outer solar system – returning crisp images that complement current and past observations from interplanetary spacecraft. This is the realm…
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Dark Storm on Neptune Reverses Direction, Possibly Shedding a Fragment
Astronomers using NASA’s Hubble Space Telescope watched a mysterious dark vortex on Neptune abruptly steer away from a likely death on the giant blue planet. The storm, which is wider than the Atlantic Ocean, was born in the planet’s northern…
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Neptune at Opposition
September is Best Time to Glimpse Elusive Ice Giant Opposition comes every September, and it’s not just kids who resist going back to school after summer vacation. September is also when the planet Neptune will be at opposition – an…