Click to correct the three capitalization errors. Born in the Netherlands in 1629, Dutch mathematician and astronomer Christiaan Huygens began studying at the university of leiden at age sixteen Among his contributions to science were his wave theory of light and his discovery that saturn was a ringed planet.

## Step 1<br />The first error in the sentence is the word "Dutch". The term "Dutch" refers to the nationality of Christiaan Huygens, and it should be capitalized as it is a proper noun.<br /><br />## Step 2<br />The second error is the word "university". In this context, "university" is part of the name "University of Leiden", which is a proper noun. Therefore, "university" should be capitalized.<br /><br />## Step 3<br />The third error is the word "leiden". "Leiden" is the name of a city in the Netherlands, and it should be capitalized as it is a proper noun.