x-zrak

Gamma rays are like the light we see with our eyes, the x-rays used to probe our bodies in search of problems, and the radio waves that our television sets translate into inane ...

alfa-zrak

Chemistry; General chemistry

A stream of alpha particles . Alpha rays rapidly dissipate their energy as they pass through materials, and are far less penetrating than beta particles and gamma rays .

reflektovani zrak

Physics; General physics

A line representing direction of motion of light reflected from a boundary.

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-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.

astronomski sumrak

Aerospace; Space flight

For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.

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Галузь/тема: Arts & crafts Category: Oil painting

vrt naslade

Bosch's most famous and unconventional picture, The Garden of Earthly Delights was painted between 1490 and 1510. The oil painting is on three panels, ...