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Hace 1 día · Hugh Brennan. The Discovery A planet that could resemble a smaller version of our own Neptune orbits one of two Sun-like stars that also orbit each other. The planet dwells in the “habitable zone,” with a potentially moderate temperature, and poses a challenge to prevailing ideas of planet formation. Key Facts Astronomers once imagined that ...
Hace 1 día · Pluto ( minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most- massive known object to directly orbit the Sun. It is the largest known trans-Neptunian object by volume, by a small margin, but is less massive than Eris.
- 4.743 km/s
- Clyde W. Tombaugh
- February 18, 1930
- Lowell Observatory
Hace 1 día · There are also 23,542 named minor planets mostly after people, places and figures from mythology and fiction, [4] which account for only 3.8% of all numbered catalog entries. (4596) 1981 QB and 677772 Bettonvil are currently the lowest-numbered unnamed and highest-numbered named minor planets, respectively. [1] [4]
Hace 1 día · Mercury is the first planet from the Sun and the smallest in the Solar System. In English, it is named after the ancient Roman god Mercurius ( Mercury ), god of commerce and communication, and the messenger of the gods. Mercury is classified as a terrestrial planet, with roughly the same surface gravity as Mars.
Hace 1 día · Cassini–Huygens →. Galileo was an American robotic space program that studied the planet Jupiter and its moons, as well as several other Solar System bodies. Named after the Italian astronomer Galileo Galilei, the Galileo spacecraft consisted of an orbiter and an atmospheric entry probe.
Hace 3 horas · Calculation of orbits of members of the solar system started early but was hampered by the idea of a static Earth. In modern times, Copernicus first suggested that the Earth actually moves round the Sun. Galileo’s discovery of the Jovian satellites played an important role in general acceptance of the heliocentric system; it later also allowed the first measurement of the velocity of light.
Hace 1 día · Oktober: Auf Grund von Hochwasser im Fluss Densu in Ghana wurden Teile der Hauptstadt Accra überschwemmte. Dabei wurden 17.000 Menschen obdachlos und 17 Menschen kamen ums Leben. November 2011: Seit Beginn der Wetteraufzeichnungen im Jahre 1881 war es in einem November in Deutschland noch nie so trocken. 16./17.
