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e. This list of chemical elements named after places includes elements named both directly and indirectly for places. 41 of the 118 chemical elements have names associated with, or specifically named for, places around the world or among astronomical objects. 32 of these have names tied to the Earth and the other 10 have names connected to ...
94356 Naruto (Naruto Strait) 96254 Hoyo (Hōyo Strait) 100266 Sadamisaki (Sadamisaki Peninsula, Shikoku) 118230 Sado (Sado, Niigata) 136743 Echigo (Echigo Province, an old province, now Niigata Prefecture minus the island of Sado) 145062 Hashikami (Hashikami, Aomori) 181043 Anan (Anan, Tokushima) 220736 Niihama (Niihama, Ehime)
There are eight planets within the Solar System; planets outside of the solar system are also known as exoplanets. As of 19 September 2024, there are 5,759 confirmed exoplanets in 4,300 planetary systems, with 963 systems having more than one planet. [1] Most of these were discovered by the Kepler space telescope.
Proper names of planetary systems often follow common themes – for example, the planets of the star Copernicus are named after European astronomers. Proper names for planets outside of the Solar System – known as exoplanets – are chosen by the International Astronomical Union (IAU) through public naming contests known as NameExoWorlds.
The inner Solar System is the region comprising the terrestrial planets and the asteroids. [ 89 ] Composed mainly of silicates and metals, [ 90 ] the objects of the inner Solar System are relatively close to the Sun; the radius of this entire region is less than the distance between the orbits of Jupiter and Saturn.
Planetary nomenclature. Planetary nomenclature, like terrestrial nomenclature, is a system of uniquely identifying features on the surface of a planet or natural satellite so that the features can be easily located, described, and discussed. [1] Since the invention of the telescope, astronomers have given names to the surface features they have ...
Astronomical naming conventions. In ancient times, only the Sun and Moon, a few stars, and the most easily visible planets had names. Over the last few hundred years, the number of identified astronomical objects has risen from hundreds to over a billion, and more are discovered every year. Astronomers need to be able to assign systematic ...
List of nearest exoplanets. Fomalhaut b (Dagon), 25 light-years away, with its parent star Fomalhaut blacked out, as pictured by Hubble in 2012. [ 1 ] In 2020 this object was determined to be an expanding debris cloud from a collision of asteroids rather than a planet. [ 2 ] There are 7,026 known exoplanets, or planets outside the Solar System ...