1. Sun Spots
Sunspots have been studied longer than any other feature of the Sun. ... Sunspot appearances are recorded throughout history, dating back to Theopharastus, a pupil of Aristotle, in the fourth century B.C. ... In the August of 1610, he turned his new telescope to the Sun to study sunspots by observing their repeated transits across the sun. Gallileo found that the spots were carried from east to west across the surface of the Sun over a period of about 13 days, becoming smaller and smaller and then dissapearing behind the Sun for the equal amount of time and th...
- Word Count: 879
- Approx Pages: 4
- Has Bibliography
- Grade Level: High School