Apr 24, 2015. The Hubble Space Telescope (HST) celebrates 25 years of space exploration today (Friday, April 24). Happy 25th birthday Hubble: 15 facts you never knew about the Hubble Space Telescope. In celebration of its 25th anniversary, Hubble has revisited the famous Pillars of Creation (. The Pillars Of. Who Are Irish Travellers Top Travel Destinations In Thailand Below is a listing of the "Top 10" most-visited places in…