What specific tool did Galileo utilize when observing the Sun to protect his eyesight?
Answer
Specialized filters
Galileo documented his observations of sunspots using telescopes equipped with specialized filters designed to protect his eyesight from the intense brightness.
Related Questions
What core Aristotelian dogma about celestial bodies did Galileo challenge by observing the Sun?What features did Galileo document appearing and moving across the Sun’s face using telescopes with specialized filters?What competing theory regarding the dark patches on the Sun did Galileo’s initial observations help disprove?What was the title of Galileo's work detailing his systematic study of sunspots?By charting the path of sunspots, what major motion of the Sun did Galileo definitively prove?Approximately what was Galileo's established estimate for the Sun’s rotational period?What observation, independent of sunspots, provided data that only made sense if Venus orbited the Sun, not the Earth?What specific tool did Galileo utilize when observing the Sun to protect his eyesight?In what year did Galileo publish the documentation confirming his findings about sunspots?Galileo's observation that the Sun rotated provided a parallel to Earth's motion, reinforcing which cosmological system?Galileo’s publication regarding sunspots served as a direct challenge to the viewpoints of whom?