Southern Crab Nebula [SEP] constellation
Southern Crab Nebula
The Southern Crab Nebula or Hen 2-104 is a nebula in the constellation Centaurus. The nebula is several thousand light years from Earth, and its central star is a symbiotic Mira variable - white dwarf pair. It is named for its resemblance to the Crab Nebula, which is in the northern sky.
The nebula had already been observed using Earth-based telescopes, but images taken with the Hubble Space Telescope (shown) in 1999 have provided much more detail, revealing that at the center
a sign in the zodiac
- Cancer (Chinese astronomy)
Science.
- Cancer (constellation), a stellar constellation
- Crab Nebula, the supernova remnant found in the constellation Taurus
- Crab Pulsar, the central star in the Crab Nebula
- Crab (unit), photometrical unit of X-ray astronomy
- CRAB, an abbreviation for the symptoms of multiple myeloma
Technology.
- Crab (cipher), an encryption algorithm based on MD5
- Crab landing, a method of