- proper motion in space
- Макаров: собственное движение в пространстве
Универсальный англо-русский словарь. Академик.ру. 2011.
proper motion in space
Смотреть что такое "proper motion in space" в других словарях:
Proper motion — The proper motion of a star is its angular change in position over time as seen from the center of mass of the solar system.[1] It is measured in seconds of arc per year, arcsec/yr, where 3600 arcseconds equal one degree.[2] This contrasts with… … Wikipedia
proper motion — /prɒpə ˈmoʊʃən/ (say propuh mohshuhn) noun the component of a star s motion in space which is perpendicular to the line of sight …
proper motion — noun Astronomy the part of the apparent motion of a star due to its actual movement in space relative to the sun … English new terms dictionary
proper — adj., adv., & n. adj. 1 a accurate, correct (in the proper sense of the word; gave him the proper amount). b fit, suitable, right (at the proper time; do it the proper way). 2 decent; respectable, esp. excessively so (not quite proper). 3 (usu.… … Useful english dictionary
Space velocity — The space velocity of an astronomical object is its actual motion relative to the Sun or the Local standard of rest.AstrometryIts components in the Galactic coordinate system are usually designated U, V, and W, given in km/s, with U positive in… … Wikipedia
motion — motional, adj. motioner, n. /moh sheuhn/, n. 1. the action or process of moving or of changing place or position; movement. 2. power of movement, as of a living body. 3. the manner of moving the body in walking; gait. 4. a bodily movement or… … Universalium
space velocity — noun 1. : the velocity of a star s motion relative to the sun as determined from its proper motion, distance, and radial velocity called also space motion 2. : the number of volumes of gas or liquid usually calculated to standard conditions that… … Useful english dictionary
Proper acceleration — [Edwin F. Taylor John Archibald Wheeler (1966 1st ed. only) Spacetime Physics (W.H. Freeman, San Francisco) ISBN 0 7167 0336 X] is the physical acceleration experienced by an object. It equals the rate of change of proper velocity with respect to … Wikipedia
Proper time — In relativity, proper time is time measured by a single clock between events that occur at the same place as the clock. It depends not only on the events but also on the motion of the clock between the events. An accelerated clock will measure a… … Wikipedia
motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… … Universalium
Proper velocity — η.In flat spacetime, proper velocity is the ratio between distance traveled relative to a reference map frame (used to define simultaneity) and proper time τ elapsed on the clocks of the traveling object. It equals the object s momentum p divided … Wikipedia
