arcturus (Meaning)
arcturus (n)
the 4th brightest star and the brightest star in the constellation Bootes; 36 light-years from Earth
arcturus (n.)
A fixed star of the first magnitude in the constellation Bootes.
Synonyms & Antonyms of arcturus
No Synonyms and anytonyms found
arcturus Sentence Examples
- Arcturus is one of the brightest stars visible from Earth.
- Astronomers study the spectral characteristics of Arcturus to understand its composition.
- Arcturus belongs to the constellation Bootes and is often referred to as the "Guardian of the Bear."
- Arcturus has been used for navigation by ancient civilizations due to its prominent position in the night sky.
- The distance to Arcturus from Earth is approximately 36.7 light-years.
- Arcturus is classified as a red giant, indicating its advanced stage in stellar evolution.
- Amateur astronomers enjoy observing Arcturus during clear nights due to its distinctive reddish hue.
- Arcturus serves as a reference point for astronomers to calibrate instruments and measure celestial distances.
- Ancient Greek astronomers revered Arcturus for its significance in marking the changing seasons.
- Arcturus's luminosity and size make it a fascinating subject for scientific research in astrophysics.
FAQs About the word arcturus
the 4th brightest star and the brightest star in the constellation Bootes; 36 light-years from EarthA fixed star of the first magnitude in the constellation Boo
No synonyms found.
No antonyms found.
Arcturus is one of the brightest stars visible from Earth.
Astronomers study the spectral characteristics of Arcturus to understand its composition.
Arcturus belongs to the constellation Bootes and is often referred to as the "Guardian of the Bear."
Arcturus has been used for navigation by ancient civilizations due to its prominent position in the night sky.
