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It is most likely a mixture of various ices of water, carbon dioxide, methane, ammonia, and nitrogen.
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∙ 8y ago
The surface material of Sedna, a trans-Neptunian object, is not yet known with certainty. Since it is located in the outer reaches of the solar system, it is difficult to observe and study in detail. However, it is believed to be composed mainly of ice and rock, similar to other objects in its region.
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How much is Sedna's gravity compared to Earth's gravity?
Sedna's surface gravity is estimated to be 0.27 m/sec2; Earth's surface gravity is about 9.8 m/sec2.
Which is further sedna or Eris?
Sedna
What is the difference between Pluto and sedna?
sedna is red and Pluto is thought to be grey. Sedna is smaller then Pluto.
Is sedna an asteroid?
No. Sedna is currently classified as a planetoid.
When was Sedna discovered?
Sedna was discovered on November 14, 2003.
Did Sedna come from the surface of a real life UFO?
no
How much is Sedna's gravity compared to Earth's gravity?
Sedna's surface gravity is estimated to be 0.27 m/sec2; Earth's surface gravity is about 9.8 m/sec2.
What do scientist believe sedna is most likely to consist of?
Most scientists believe that Sedna is another planet, similar to Neptune. It is believed that the outer surface of Sedna consists of water, nitrogen ices, and methane.
What is a sedna?
Not "a" Sedna; just "Sedna". Sedna is the Inuit goddess of the sea. Also, a dwarf planet named after this goddess.
Which is further sedna or Eris?
Sedna
How many moons does sedna have?
Sedna has no moons.
What is the difference between Pluto and sedna?
sedna is red and Pluto is thought to be grey. Sedna is smaller then Pluto.
Is sedna an asteroid?
No. Sedna is currently classified as a planetoid.
When was Sedna discovered?
Sedna was discovered on November 14, 2003.
What are the interior layers of Sedna?
sedna is hot, crusty, and shallow
How many km is sedna from sun?
There is not a way to tell how many km are from the sun to Sedna. It is a long distence from the sun to Sedna.
What gases make up Sedna's atmosphere?
It appears that there is no atmosphere on Sedna.
