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Arcturus
[ahrk-toor-uhs, -tyoor-]
noun
a first-magnitude star in the constellation Boötes.
Arcturus
/ ɑːˈʊəə /
noun
the brightest star in the constellation Boötes: a red giant. Visual magnitude: –0.4; spectral type: K2III; distance: 37 light years
Arcturus
A giant star in the constellation Boötes. It is the brightest star in the Northern Hemisphere and the fourth brightest star in the sky, with an apparent magnitude of 0.00. Scientific name: Alpha Boötes.
Other Word Forms
- Arcturian adjective
- ˈٳܰ adjective
Word History and Origins
Origin of Arcturus1
Word History and Origins
Origin of Arcturus1
Example Sentences
To find the area of sky where it should appear, she advises to first locate the plough and follow its handle to Arcturus.
Let’s get back to my summertime favorites of Vega, Arcturus and Antares.
Meanwhile, Arcturus has jumped to around 12.5 percent of cases, a rise from just 1 percent at the end of March.
Everywhere it goes, Arcturus has generated reports of red, irritated eyes, especially in children.
The California Department of Public Health estimates Arcturus comprises about 7% of coronavirus cases for the same week.
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