| rima |
(plural rimae) A rima is a fissure on the surface of a planet or moon. RING NEBULA A ring nebula is a huge cloud of dust and gas that is shaped like a ring. Pictured above is M-57, a ring nebula in Lyra which is 2,000 light-years from Earth and was generated by a dying star (this nebula was discovered by Ch. Messier).
출처: www.enchantedlearning.com/subjects/astronomy/gloss...
|
|---|---|
| rim |
The raised portion along the edge of the coin. It protects the faces of the coin from wear.
출처: collections.ic.gc.ca/incocoin/coindef.html
|
| rim |
The raised area around the edges of the obverse and reverse of a coin.
출처: www.numismedia.com/glossary.htm
|
| rim |
Elevated region around craters and rilles.
출처: history.nasa.gov/EP-95/glossary.htm
|
| rim |
The feature at the base of most cartridge cases in which the extractor engages to pull a fired cartridge from the chamber. In England this is called the flange. See rimless and rimmed.
출처: beasafehunter.org/HunterEd/glossary.html
|