astronomska jedinica (AJ)

1) Mean distance between the Earth and the Sun: 1.495985 × 1011 m. 2) The AU is the preferred unit for distances within the solar system. Mercury, the innermost planet, lies on ...

astronomska jedinica

علم الفلك; المريخ

A measure for distances within the solar system, equal to the mean ditance of the earth from the sun, which is about 93,000,000 miles.

astronomska jedinica

الفيزياء; فيزياء عامة

The radius of the earth's orbit is defined as one astronomical unit (A.U.).

neidentifikovani leteći objekat (NLO)

فضاء; رحلة الفضاء

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

فضاء; رحلة الفضاء

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

فضاء; رحلة الفضاء

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

x-zrak

فضاء; رحلة الفضاء

Electromagnetic radiation in the neighborhood of 100 picometer wavelength.

x-dijapazon

فضاء; رحلة الفضاء

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

težina

فضاء; رحلة الفضاء

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.