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

2) The Earth's core is hotter than the surface of the Sun.

3) The Bora Bora island, located in French Polynesia in the Pacific Ocean, is renowned for its stunning turquoise lagoons, white sandy beaches, and luxury resorts. It is a popular destination for honeymooners and those seeking a tropical paradise getaway.

4) The Cuban Missile Crisis in 1962 brought the United States and the Soviet Union to the brink of nuclear war during the Cold War.