According to Mike Brown's website, the planet was named Sedna after the Inuit Goddess of the sea. … This name seemed appropriate to Brown and his team because Sedna is currently the farthest (and hence coldest) object from the Sun.10 Aug 2015
Why was Sedna named Sedna?
Is Sedna a real planet?
Sedna is a dwarf planet on the far outer reaches of the solar system. … In 2004, it was described as the second-reddest object in our solar system, after Mars. Sedna was discovered by a team led by Mike Brown, an astronomer at the California Institute of Technology.
Who discovered Sedna?
Michael E. Brown Chad TrujilloDavid L. Rabinowitz 90377 Sedna/Discoverers Related subjects: Space (Astronomy) >0.2? 90377 Sedna is a trans-Neptunian object, discovered by Michael Brown ( Caltech), Chad Trujillo ( Gemini Observatory) and David Rabinowitz ( Yale University) on November 14, 2003. At the time of its discovery it was the most distant observed natural solar system body.
Does Sedna have any moons?
Because Sedna has no known moons, determining its mass is currently impossible without sending a space probe. Sedna is currently the largest trans-Neptunian Sun-orbiting object not known to have a satellite.
Is Sedna farther than Pluto?
Sedna will come closer to Earth in the years ahead, but even at closest approach, about 72 years from now, Sedna is very far away–farther than Pluto. Then it will begin its 10,500-year trip back to the far reaches of the solar system.
Which is the 10th planet?
Because Eris appeared to be larger than Pluto, NASA initially described it as the Solar System's tenth planet….Eris (dwarf planet)
| Discovery | |
|---|---|
| Named after | Ἔρις Eris |
| Alternative designations | 2003 UB313 Xena (nickname) |
| Minor planet category | Dwarf planet TNO SDO Binary |
| Adjectives | Eridian /ɛˈrɪdiən/ |
What is the 11th planet called?
Haumea Today, if counting the "dwarf planets" as planets, the eleventh planet from the Sun would be Haumea. However, in 2006 the term "planet" was redefined to exclude the new category of dwarf planets (just as some planets had earlier been recategorised as asteroids)….Eleventh planet.
| 1 | Mercury |
|---|---|
| 8 | Pallas |
| 9 | Jupiter |
| 10 | Saturn |
| 11 | Uranus |
What does Sedna mean?
the Mother of the Sea Sedna (Inuktitut: ᓴᓐᓇ 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.
How many AU is Sedna from the Sun?
90 AU You can see that Sedna is at 90 AU (1 AU is an Astronomical Unit, the distance between the earth and the Sun, about 150 million kilometers, or 93 million miles).