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California Institute of Technology
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I nuclei in possesso di un numero uguale e anche di neutroni e protoni. 4N nuclei sono formati in buste di supernova a temperature di almeno 2 K × 109 ed è molto stabile.
Industry:Astronomy
Prototip de un mic grup de asteroizi a căror orbite se intersectează de pământ.
Industry:Astronomy
Unul dintre un mic grup de asteroizi a căror orbite se intersectează de pământ. Acestea sunt numite pentru prototip, Apollo.
Industry:Astronomy
Succes SUA program lunar de explorare în care nave spaţiale Apollo 1-6 au fost fără pilot; 7-10 au fost ocupate, dar a făcut terenuri; şi 11, 12 și 14-17 a aterizat şi s-a întors în condiţii de siguranţă. (Apollo 13 a fost o misiune avortat.) Primii oameni să aterizeze pe lună au fost Neil Armstrong şi Edwin Aldrin, la Apollo 11, 20 iulie 1969. Zborul de Apollo final (17) a durat de la 7 la 19 decembrie 1972, şi a lăsat o cantitate considerabilă de dispozitive de explorare pe suprafata lunii.
Industry:Astronomy
1) Active galactic nuclei are very luminous. Their energy output is in two forms: nonthermal continuum and thermal emission line. 2) Any galaxy which is emitting large quantities of non-thermal radiation.
Industry:Astronomy
Lens (or combination of lenses) that brings different wavelenghts within a ray of light to a single focus, thus overcoming chromatic aberration. It was first successfully made by Joseph von Fraunhofer.
Industry:Astronomy
1) Active galactic nuclei are very luminous. Their energy output is in two forms: nonthermal continuum and thermal emission line. 2) Any galaxy which is emitting large quantities of non-thermal radiation.
Industry:Astronomy
Controlling the shape of a telescope mirror at a relatively slow rate.
Industry:Astronomy
A unit for measuring acceleration, which is metre per second squared.
Industry:Astronomy
1) A process by which a star accumulates matter as it moves through a dense cloud of interstellar gas; or, more generally, whereby matter surrounding a star flows toward it (as in close binaries.) 2) Collection of material together, generally to form a single body.
Industry:Astronomy