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

2) The world's oldest tree is believed to be a bristlecone pine named "Methuselah" in California, estimated to be over 4,800 years old.

3) The English alphabet has five vowels: A, E, I, O, and U.

4) Sir Elton John, born Reginald Kenneth Dwight, is an English singer, songwriter, and pianist. With a career spanning over five decades, he is one of the best-selling music artists in the world and has received numerous awards and accolades for his contributions to music.