prestupna godina

prestupna godina

Every fourth year, in which a 366th day is added since the Earth's revolution takes 365 days 5 hr 49 min.

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Industry/Domain: Aerospace
Category: Space flight
Company: NASA
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julijanska godina

Astronomy; General astronomy

period od 365,25 dana

Baselova godina

Astronomy; General astronomy

A quantity introduced by F. W. Bessel in the nineteenth century that has been used into the twentieth century. Bessel introduced a system whereby it would be convenient to ...

svetlosna godina

Astronomy; Planetary science

Distance that light can travel in 1 year. Light travels at a speed of 300,000 km / sec, so this distance is equal to 9. 46 x 10 12 kilometers.

svetlosna godina

Aerospace; Space flight

A measure of distance, the distance light travels in one year, about 63,197 AU.

svetlosna godina

Physics; General physics

The distance traveled by light through empty space in one year, it is equal to 9.46 x 1012 km.

neidentifikovani leteći objekat (NLO)

Aerospace; Space flight

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 ...

svemirski šatl

Aerospace; Space flight

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

Aerospace; Space flight

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

x-zrak

Aerospace; Space flight

Electromagnetic radiation in the neighborhood of 100 picometer wavelength.

x-dijapazon

Aerospace; Space flight

A range of microwave radio frequencies in the neighborhood of 8 to 12 ghz.

težina

Aerospace; Space flight

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.

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Sveta gora

Greek mountain and pilgrimage site, known as the birthplace of early Christian Orthodox monasticism, housing around 20 Eastern Orthodox monasteries. ...