Aaron Burr - Founding Patriot. I have never known the prejudice in favor of birth, parentage and descent, more conspicuous than in the instance of Col. Burr. That gentleman was connected by blood with many respectable families in New England.
Definition of sunspot for English Language Learners. astronomy : a dark spot that sometimes appears on the surface of the sun. See words that rhyme with sunspot Spanish Central: Translation of sunspot Nglish: Translation of sunspot for Spanish speakers Britannica.com: Encyclopedia article about sunspot.
The surface of the Sun, called the photosphere, is at a temperature of about 5800 K. Sunspots are cool regions, only 3800 K (they look dark only by comparison with the surrounding regions). Sunspots can be very large, as much as 50,000 km in diameter.