stellar parallax in a sentence
Examples
- The measurement of stellar parallax of nearby stars provides a fundamental baseline in the cosmic distance ladder that is used to measure the scale of the Universe.
- Their measurement of ? Virginis in 1718 was the first made of the components of a double star and was directed towards the determination of stellar parallax.
- Starting in 1914 the second director, Samuel Alfred Mitchell, began a program to measure the distances to nearby stars ( stellar parallax ) using photography.
- British parliament from Kew and an amateur astronomer whose work with James Bradley attempting to measure stellar parallax led to the discovery of the aberration of light.
- There wasn't any empirical way to really effectively distinguish between the two models until the 19th century, when the stellar parallax could be observed.
- The diagram ( above ) for stellar parallax can illustrate lunar parallax as well, if the diagram is taken to be scaled right down and slightly modified.
- It contradicted not only empirical observation, due to the absence of an observable stellar parallax, but more significantly at the time, the authority of Aristotle.
- Still, no stellar parallax was observed, and Plato, Aristotle and Ptolemy preferred the geocentric model, which was held as true throughout the Middle Ages.
- First of all, if the Earth did move, then one ought to be able to observe the shifting of the fixed stars due to stellar parallax.
- This stellar parallax ought to have shown up, if it existed at all, as a small annual cyclical motion of the apparent position of the star.