орбита

A telescope that uses as its primary optical element a lens. Binoculars are a type of refractor. In general, refractors are much more expensive to build and buy than are ...

рефлектор

علم الفلك; فلك عام

A telescope that uses as its primary optical element a mirror. Nearly all large telescopes in use today by amateur and professional astronomers are reflecting telescopes.

фотометрија

علم الفلك; فلك عام

In astronomy, the measurement of the light emitting from astronomical objects, generally in the visible or infrared bands, in which a specific or general wavelength band is ...

паралакса

علم الفلك; فلك عام

The apparent displacement or the difference in apparent direction of an object as seen from two different points not on a straight line with the object (as from two different ...

метеори

علم الفلك; فلك عام

Small rocky and/or icy particles that are swept up by the earth in its orbit about the sun. Also called "shooting stars", they travel across the sky in a very short time, from ...

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sladjana milinkovic

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متابعين

المجال / النطاق: أغذية (أخرى) الفئة: الأعشاب والتوابل

Матичњак

herb (fresh sprigs) Description: Mint-like leaves, also called balm. Sweet, lemon flavor with a citrus scent. Uses: Jams and jellies, salads, soups, ...