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Neptune is too faint to be visible to the naked eye. It can be outshone by Jupiter's Galilean moons, the dwarf planet Ceres and the asteroids 4 Vesta, 2 Pallas, 7 Iris, 3 Juno, and 6 Hebe. [178] A telescope or strong binoculars will resolve Neptune as a small blue disk, similar in appearance to Uranus. [179]
Neptune is too dim to be visible to the naked eye: its apparent magnitude is never brighter than 7.7. [5] Therefore, the first observations of Neptune were only possible after the invention of the telescope.
Naked eye, also called bare eye or unaided eye, is the practice of engaging in visual perception unaided by a magnifying, light-collecting optical instrument, such as a telescope or microscope, or eye protection.
Neptune was discovered in 1846 and is located 30 times farther from the sun than Earth. The planet's 164-year orbit takes it through some of the darkest and most remote regions of the outer solar ...
Generally, Neptune is depicted as a rich, deep blue. Uranus is usually seen as a pale green or cyan. In fact, however, they are much more similar than we thought.
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This is an extreme naked-eye target that pushes human eyesight and the Bortle scale to the limit [56] +7.25: planet Mercury: seen from Earth minimum brightness [42] +7.67 [57] planet Neptune: seen from Earth maximum brightness [42] (Neptune comes to perihelion in 2042) +7.78: planet Neptune: seen from Earth mean brightness [42] +8.00: planet ...
Neptune (Latin: Neptūnus [nɛpˈtuːnʊs]) is the god of freshwater and the sea in the Roman religion. [1] He is the counterpart of the Greek god Poseidon. [2] In the Greek-inspired tradition, he is a brother of Jupiter and Pluto, with whom he presides over the realms of heaven, the earthly world (including the underworld), and the seas. [3]