The dwarf planet Eris is most probably a rocky planet with a surface covered in methane ice. There is currently no more accurate information on this object.
A pencil is a solid object.
a feather is a solid
It is a dwarf planet. 136199 Eris is just a large trans-Neptunian object like 136108 Haumea, 50000 Quaoar, 134340 Pluto, 136472 Makemake, 225088 (2007 OR10), 90482 Orcus and 90377 Sedna.
gas
The dwarf planet Eris is most probably a rocky planet with a surface covered in methane ice. There is currently no more accurate information on this object.
Eris is made of rock and ice.
no
Eris is made mostly of ice.
Current scientific thinking suggests that Eris does not have a gaseous atmosphere. Eris is so cold that its atmosphere is frozen!
rocky terrestrial
Solid
A pencil is a solid object.
a feather is a solid
It is a dwarf planet. 136199 Eris is just a large trans-Neptunian object like 136108 Haumea, 50000 Quaoar, 134340 Pluto, 136472 Makemake, 225088 (2007 OR10), 90482 Orcus and 90377 Sedna.
The solid -> gas transition is called sublimation. The gas -> solid transition is called deposition.
No, a solid is a solid and a gas is a gas. They are two separate states of matter.