1) The most-watched television event in the United States is the Super Bowl, with millions of viewers tuning in each year.

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

3) The universe is estimated to be around 13.8 billion years old.

4) Mount Everest, located in the Himalayas, is the highest mountain on Earth, reaching a peak elevation of 29,032 feet (8,848 meters).