1) The word "cheese" contains three vowels: E, E, and E.

2) The word "piano" contains three vowels: I, A, and O.

3) The Hubble Space Telescope, launched in 1990, has provided breathtaking images of distant galaxies and deep space.

4) The concept of civil rights pertains to the rights and freedoms that individuals possess as members of a society, including equality before the law, freedom of expression, and protection against discrimination.