bipolar galaxies

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• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

• Messier 82 — Observation data (J2000 epoch) Constellation Ursa Major …   Wikipedia

• Planetary nebula — A planetary nebula is an emission nebula consisting of a glowing shell of gas and plasma formed by certain types of stars when they die. The name originated in the 18th century because of their similarity in appearance to giant planets when… …   Wikipedia

• Polar jet — You may be looking for relativistic jet, a polar jet emitted at relativistic speed. A polar jet is a phenomenon often seen in astronomy, where streams of matter are emitted along the axis of rotation of a compact object. It is usually caused by… …   Wikipedia

• Ammonia — For other uses, see Ammonia (disambiguation). Ammonia …   Wikipedia

• Star formation — is the process by which dense parts of molecular clouds collapse into a ball of plasma to form a star. As a branch of astronomy star formation includes the study of the interstellar medium and giant molecular clouds as precursors to the star… …   Wikipedia

• Eta Carinae — Starbox begin name=Eta CarinaeStarbox image caption=Hubble Space Telescope image showing Eta Carinae and the bipolar Homunculus Nebula which surrounds the star. The Homunculus was partly created in an eruption of Eta Carinae whose light reached… …   Wikipedia

• Relativistic jet — NOTOC : The lower energy non relativistic version of this phenomenon is described at polar jet. Relativistic jets are extremely powerful jets of plasma which emerge from the centers of some active galaxies, notably radio galaxies and quasars.… …   Wikipedia

• Puerto Rican scientists and inventors — The discoveries and contributions which have been made by Puerto Rican scientists and inventors in their respective fields have impacted the way of life of the inhabitants of Puerto Rico, and in many cases society in general. Hundreds of years… …   Wikipedia

• Terahertz radiation — Electromagnetic waves sent at terahertz frequencies, known as terahertz radiation, submillimeter radiation, terahertz waves, terahertz light, T rays, T light, T lux and THz, are in the region of the electromagnetic spectrum between 300 gigahertz… …   Wikipedia

• Dimitri Mihalas — Dimitri at Spectroscopy and Radiation Hydrodynamics conference in Colorado Nationality American …   Wikipedia