Use ‘parallaxes’ in a sentence | ‘parallaxes’ example sentences
1- No known stars have parallaxes this big.
2- Not many stars are close enough to have useful trigonometric parallaxes .
3- The parallaxes of the stockyards shift and quake.
4- But their instruments could not measure the very small parallaxes nearby stars exhibit.
5- Its origin is based on attempts made to discover whether the stars possessed appreciable parallaxes .
6- Astronomers have been carefully measuring parallaxes for stars for centuries, and with remarkable precision.
7- Hipparcos measurements increased the number of stars for which parallaxes are measured by a vast amount.
8- But it is painstakingly slow work with only a few thousand stars having well measured parallaxes .
9- Ground-based observations would not measure such parallaxes with sufficient precision due to the effects of the atmosphere and instrumental biases.
10- All current derived distances for the three stars are from the parallaxes obtained from the Hipparcos star catalog (HIP).
11- Whether this is true or not, it was not until telescopes were invented that astronomers could measure parallaxes at all accurately.
12- This permitted the accurate determination of proper motions and parallaxes of stars, allowing a determination of their distance and tangential velocity.
13- For this purpose he used a set of stars that had reliable parallaxes and many of which had been categorized at Harvard.
14- In the same year Friedrich Georg Wilhelm Struve and Thomas Henderson measured the parallaxes of other stars, Vega and Alpha Centauri.
15- Unfortunately, no Cepheids are close enough to have measurable parallaxes , so astronomers made statistical studies of the apparent relative motions of the nearer ones.
16- Such distant objects are much too far away to have measurable parallaxes , so an indirect method was developed for estimating their distances.
17- This two year astrometry program has resulted in the measurement of seven new pulsar parallaxes , which has more than tre- bled the number of measured VLBI pulsar parallaxes in the Southern Hemisphere.
18- This two year astrometry program has resulted in the measurement of seven new pulsar parallaxes, which has more than tre- bled the number of measured VLBI pulsar parallaxes in the Southern Hemisphere.
19- When distances to nearby stars were found using trigonometric parallaxes in the late 19th and early 20th century, it became possible to study the luminosities of stars.
20- parallaxes give us distances to stars up to perhaps a few thousand light years . Beyond that distance, parallaxes are so small than they cannot be measured with contemporary instruments.
21- parallaxes give us distances to stars up to perhaps a few thousand light years . Beyond that distance, parallaxes are so small than they cannot be measured with contemporary instruments.
22- He narrowly beat Friedrich Georg Wilhelm Struve and Thomas Henderson, who measured the parallaxes of Vega and Alpha Centauri in the same year.
23- In 1781, the astronomer William Herschel was searching the sky for elusive stellar parallaxes , when he observed what he termed a comet in the constellation of Taurus.
24- Expansion parallaxes in particular can give fundamental distance estimates for objects that are very far away, because supernova ejecta have large expansion velocities and large sizes (compared to stars).
25- In the 1990s, for example, the Hipparcos mission obtained parallaxes for over a hundred thousand stars with a precision of about a milliarcsecond, providing useful distances for stars out to a few hundred parsecs.
26- Oort, J.H., “Investigations Concerning the Rotational Motion of the Galactic System together with New Determinations of Secular parallaxes , Precession and Motion of the Equinox (Errata: 4, 94),” Bull.
27- Observationally, the objective was to provide the positions, parallaxes , and annual proper motions for some 100,000 stars with an unprecedented accuracy of 0.002 arcseconds, a target in practice eventually surpassed by a factor of two.
28- However, the author of the 2007–2009 catalog of revised Hipparcos parallaxes reasserted that the distance to the Pleiades is ~120 pc, and challenged the dissenting evidence.
29- Unlike the Gliese, it does not cut off at a given distance from the Sun; rather it attempts to catalogue all known measured parallaxes .
30- The General Catalogue of Trigonometric parallaxes , first published in 1952 and later superseded by the New GCTP (now in its fourth edition), covers nearly 9,000 stars.
31- In 1989, the satellite Hipparcos was launched primarily for obtaining improved parallaxes and proper motions for over 100,000 nearby stars, increasing the reach of the method tenfold.
32- Many observers claimed to have determined such parallaxes , but Tycho Brahe and Giovanni Battista Riccioli concluded that they existed only in the minds of the observers, and were due to instrumental and personal errors.
33- As early as 1573, Thomas Digges had suggested that parallactic shifting of the stars should occur according to the heliocentric model of the Solar System, and consequently if such stellar parallaxes could be observed they would help confirm the heliocentric theory.
34- Scottish astronomer Thomas Henderson made the original discovery from many exacting observations of the trigonometric parallaxes of the AB system between April 1832 and May 1833.
35- The GAIA mission, to be launched in 2010, will be able to measure parallaxes to an accuracy of 10 -6 arcsec, allowing distances to be determined for more than 200 million stars.
36- subdwarf parallaxes : metal-rich clusters and the thick disk
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paragraphing – paragraphs – parakeet – parakeets – paralegal – paralegals – parallax – parallaxes – parallel – paralleled – paralleling – parallelism – parallelisms – parallelogram – parallelograms –
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