galaksi

A galaxy made up of a disk, spiral arms, and a bulge at its center. The size of the disk and the bulge vary. The galaxy is composed of a mixture of old and young stars, as well as ...

objekt fluturues i paidentifikueshëm (UFO)

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UFOs are unidentified aircraft which are attributed to alien space flight. One supposed UFO halted air traffic at Hangzhou Airport, China, on July 7. The appearance is being ...

anije kozmike

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A reusable spacecraft with wings developed by the U.S. National Aeronautics and Space Administration (NASA) for human spaceflight missions. The first test flight took place in ...

zenit

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The point on the celestial sphere directly above the observer. Opposite the nadir.

zeta (Z)

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A multiplier, x1021 from the last letter of the Latin alphabet. See the entry for CGPM.

rreze x

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Electromagnetic radiation in the neighborhood of 100 picometer wavelength.

peshë

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The gravitational force exerted on an object of a certain mass. The weight of mass m is mg Newtons, where g is the local acceleration due to a body's gravity.