arcsecond Antonyms
No Synonyms and anytonyms found
Meaning of arcsecond
Wordnet
arcsecond (n)
a 60th part of a minute of arc
arcsecond Sentence Examples
- Astronomers measure the position of stars with extreme precision, often to within a fraction of an arcsecond.
- The telescope's tracking system can detect the slightest movements, registering changes in position down to the milliarcsecond level.
- In astrophotography, capturing detailed images of distant galaxies requires exposure times measured in seconds or even fractions of an arcsecond.
- Satellites equipped with high-resolution cameras can resolve features on Earth's surface as small as a few arcseconds.
- The navigation system of spacecraft relies on gyroscopes to maintain orientation, ensuring accuracy to within a few arcseconds.
- Observatories use adaptive optics to compensate for atmospheric distortion, enhancing resolution to reveal structures just a few arcseconds across.
- Astronomical surveys catalog millions of stars, plotting their positions with precision down to microarcseconds.
- The parallax method involves measuring the apparent shift in a star's position as seen from Earth's orbit, typically in fractions of an arcsecond.
- The angular diameter of planets and moons is often expressed in arcseconds, allowing astronomers to compare their sizes relative to one another.
- Interferometry combines signals from multiple telescopes to achieve resolutions equivalent to those of a single telescope with a diameter spanning hundreds of meters, enabling observations with sub-arcsecond detail.
FAQs About the word arcsecond
a 60th part of a minute of arc
No synonyms found.
No antonyms found.
Astronomers measure the position of stars with extreme precision, often to within a fraction of an arcsecond.
The telescope's tracking system can detect the slightest movements, registering changes in position down to the milliarcsecond level.
In astrophotography, capturing detailed images of distant galaxies requires exposure times measured in seconds or even fractions of an arcsecond.
Satellites equipped with high-resolution cameras can resolve features on Earth's surface as small as a few arcseconds.
