Sedna (dwarf planet) - Wikipedia
网页Sedna (minor-planet designation: 90377 Sedna) is a dwarf planet in the outermost reaches of the Solar System, orbiting the Sun beyond the orbit of Neptune. Discovered in 2003, the planetoid's surface is one of the reddest known among Solar System bodies.
Sedna (mythology) - Wikipedia
网页Sedna (Inuktitut: ᓴᓐᓇ, romanized: Sanna, previously Sedna or Sidne) is the goddess of the sea and marine animals in Inuit mythology, also known as the Mother of the Sea or Mistress of the Sea. The story of Sedna, which is a creation myth, describes how she came to rule over Adlivun, the Inuit underworld.
Sedna Is So Distant, We're Not Even Sure It's a Dwarf Planet
网页2023年6月14日 · Sedna, named for the Inuit goddess of the deep sea, is the most distant object known to orbit the sun and is three times farther from Earth than Pluto.
Sedna | Trans-Neptunian Object, Dwarf Planet & Kuiper Belt
网页Sedna, small body in the outer solar system that may be the first discovered object from the Oort cloud. Sedna was discovered in 2003 by a team of American astronomers at Palomar Observatory on Mount Palomar, California. At that time, it was the most distant object in the solar system that had ever.
Sedna Facts - The Planets
网页2003年11月14日 · Sedna Facts. Sedna is a minor planet, or planetoid, that lies beyond the Kuiper Belt. Its home reaches to the far edges of the solar system, making it one of the most distant space bodies ever identified.
Sedna, the Coldest and Farthest Body in the Solar System
网页Sedna is the most distant known object orbiting the sun. It is located after Neptune and beyond the Kuiper Belt. Scientists believe it resides in the inner Oort Cloud. This is the coldest region of our solar system. Small icy objects and …
Sedna: Possible Dwarf Planet Far From the Sun | Space
网页2014年4月30日 · Sedna is a solar system body that is one of the most distant bodies found in our solar system. The object's closest approach to the sun is far greater than Pluto's...
The Dwarf Planet Sedna: Discovery and Facts - ThoughtCo
网页2020年1月22日 · Sedna is dwarf planet out far beyond Pluto. Here's what we know about Sedna so far and a look at what we suspect is true.
Sedna Discovery Image - NASA Jet Propulsion Laboratory (JPL)
网页2004年3月15日 · Sedna Discovery Image. These three panels show the first detection of the faint distant object dubbed "Sedna." Imaged on November 14th from 6:32 to 9:38 Universal Time, Sedna was identified by the slight shift in position noted in these three pictures taken at different times.
APOD: 2004 March 16 - Sedna of the Outer Solar System
网页Sedna of the Outer Solar System. Illustration Credit: R. Hurt (SSC-Caltech), JPL-Caltech, NASA. Explanation: What is the most distant known object in our Solar System? A new answer to this centuries-old question was announced yesterday by NASA with the discovery of a dark red object dubbed Sedna.
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