Mercury, venus, earth, mars, jupiter, saturn, uranus, and neptune. One day on neptune takes about 16 hours (the time it takes for neptune to rotate or spin once). Scientists using the hubble space telescope discover a new dark spot on neptune, the first new atmospheric vortex seen in the 21st century.
10, 1846, just 17 days after a berlin. Neptune has 16 known moons. Dark, cold and whipped by supersonic winds, giant neptune is the eighth and most distant major planet orbiting our sun.
Located 30 times farther from the sun than earth, neptune orbits in the remote, dark region of the outer solar. This photograph of neptune shows three of the features that nasa voyager 2 has been photographing during recent weeks. Neptune has fascinated researchers since its discovery in 1846. The solar system has one star, eight planets, five dwarf planets, at least 290 moons, more than 1.3 million asteroids, and about 3,900 comets.
In the summer of 1989, nasa's voyager 2 became the first spacecraft to observe the planet neptune up close, its final planetary target. The large, dark oval spot in neptune. Our solar system has eight planets: There are five officially recognized dwarf planets in our solar system:.