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The relative "hot spot" is due to Neptune's axial tilt, which has exposed the south pole to the Sun for the last quarter of Neptune's year, or roughly 40 Earth years. As Neptune slowly moves towards the opposite side of the Sun, the south pole will be darkened and the north pole illuminated, causing the methane release to shift to the north pole.
Astronomers have observed a mysterious large dark spot in Neptune’s atmosphere, along with a bright feature that has never been spotted before. Mysterious dark spot detected on Neptune Skip to ...
Illustration of the eight planets of the Solar System. From the inner (bottom left) solar system to the outer (top right) solar system, the planets are: Mercury, Venus, Earth, Mars, Jupiter ...
The Great Dark Spot in exaggerated color as seen from Voyager 2. The Great Dark Spot (also known as GDS-89, for Great Dark Spot, 1989) was one of a series of dark spots on Neptune similar in appearance to Jupiter's Great Red Spot. In 1989, GDS-89 was the first Great Dark Spot on Neptune to be observed by NASA's Voyager 2 space probe.
Vega b, reported in 2021, is a candidate ultra-hot Neptune with a mass of ≥21.9 M E that revolves around Vega every 2.43 days, a mere 0.04555 AU (6,814,000 km) from its luminous host star. The equilibrium temperature of the planet is a white-hot 3,250 K (2,980 °C; 5,390 °F) assuming a Bond albedo of 0.25, which, if confirmed, would make it ...
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When Voyagers 1 and 2 flew by in 1979, they measured the massive cyclone to be twice Earth's diameter. Measurements today from telescopes have measured a diameter of 1.3 Earths wide. [16] Oval BA (or Red Spot Jr.) is the second-largest storm on Jupiter and formed from the merging of 3 smaller cyclones in 2000. It is located just to the south of ...
We love Juno’s stunning photos of Jupiter’s Great Red Spot, but when it comes to giant storms, the Great Red Spot has some stiff competition.