95 Arethusa
Encyclopedia
95 Arethusa is a large main-belt asteroid
. Its coloring is dark, its composition carbonaceous
and primitive. It was discovered by Robert Luther
on November 23, 1867, and named after one of the various Arethusa
s in Greek mythology
. Arethusa has been observed occulting
a star
three times: first on February 2, 1998, and twice in January 2003.
Asteroid
Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...
. Its coloring is dark, its composition carbonaceous
Carbonate
In chemistry, a carbonate is a salt of carbonic acid, characterized by the presence of the carbonate ion, . The name may also mean an ester of carbonic acid, an organic compound containing the carbonate group C2....
and primitive. It was discovered by Robert Luther
Karl Theodor Robert Luther
Karl Theodor Robert Luther , normally published as Robert Luther, was a German astronomer who searched for asteroids while working in Düsseldorf....
on November 23, 1867, and named after one of the various Arethusa
Arethusa
- Mythology :* Arethusa , a nereid nymph who became a fountain* See Hesperides for Arethusa, a hesperid nymph- Places :* Arethusa , an ancient city in Mygdonia of ancient Macedonia* Arethusa , a titular see of Syria near Apameia...
s in Greek mythology
Greek mythology
Greek mythology is the body of myths and legends belonging to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. They were a part of religion in ancient Greece...
. Arethusa has been observed occulting
Occultation
An occultation is an event that occurs when one object is hidden by another object that passes between it and the observer. The word is used in astronomy . It can also refer to any situation wherein an object in the foreground blocks from view an object in the background...
a star
Star
A star is a massive, luminous sphere of plasma held together by gravity. At the end of its lifetime, a star can also contain a proportion of degenerate matter. The nearest star to Earth is the Sun, which is the source of most of the energy on Earth...
three times: first on February 2, 1998, and twice in January 2003.
External links
- Asteroid Occultation Results for North America on 2008/04/16 with 2 chordsChord (astronomy)In the field of astronomy the term chord typically refers to a line crossing an object which is formed during an occultation event. By taking accurate measurements of the start and end times of the event, in conjunction with the known location of the observer and the object's orbit, the length of...