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The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
Saturn appears to the naked eye in the night sky as a bright, yellowish point of light. The mean apparent magnitude of Saturn is 0.46 with a standard deviation of 0.34. [ 24 ] Most of the magnitude variation is due to the inclination of the ring system relative to the Sun and Earth.
1980 – Voyager 1 flies by Saturn and takes the first images of Titan. [203] However, its atmosphere is opaque to visible light, so its surface remains obscured. 1982 – Venera 13 lands on Venus, sends the first photographs in color of its surface, and records atmospheric wind noises, the first sounds heard from another planet. [204]
Jupiter/Saturn/first Uranus/first Neptune flyby [239] [240] [241] Voyager 1: 5 September 1977 Jupiter/Saturn flyby, first to exit the heliosphere [241] [242] [243] Pioneer Venus 1: 20 May 1978 Venus orbiter [244] [245] Pioneer Venus 2: 8 August 1978 Venus atmospheric probes [246] [247] ISEE-3: 12 August 1978
The first successful probe to fly by another Solar System body was Luna 1, which sped past the Moon in 1959. Originally meant to impact with the Moon, it instead missed its target and became the first artificial object to orbit the Sun. Mariner 2 was the first planetary flyby, passing Venus in 1962.
Jupiter passes its neighbor Saturn in their respective laps around the sun every 20 years. Jupiter and Saturn will merge in the night sky Monday, appearing closer to one another than they have ...
Pioneer 11 image of Saturn.. Saturn was first visited by Pioneer 11 in September 1979. It flew within 20,000 kilometres (12,000 mi) of the top of the planet's cloud layer. Low-resolution images were acquired of the planet and a few of its moons; the resolution of the images was not good enough to discern surface featu
If observed from the vantage point of space, the rings would still be all accounted for. A view of Saturn's rings from NASA's Hubble Space Telescope captured on June 20, 2019.