The Hubble Space Telescope, among the most celebrated and popular machines ever made, starts its 25th year in orbit on Thursday, the anniversary of its launch aboard NASA's now-retired space shuttle Discovery.
Hubble at 25: What's Next for the Space Telescope?
If gazing at Hubble's inspiring and beautiful pictures aren't enough, here are some events NASA and other organizations plan to mark Hubble's 25th birthday:
A week-long Hubble 2020 science conference at the On Thursday from 9 to 9:45 a.m. EDT NASA administrator Charlie Bolden and other agency leaders including NASA science chief John Grunsfeld, a former astronaut who made eight spacewalks to work on Hubble, At The Arizona State University in Tempe Across the Atlantic, On Friday from 8 to 9 p.m. the On Saturday from 10 a.m. to 3 p.m. the Smithonian's Udvar-Hazy Center in Chantilly, Va., is holding a family day featuring talks by astronauts, scientists and engineers who will provide an inside view of the telescope's checked history, its contributions to astronomy and astrophysics and a look at what is planned in the future. The event is open to the public and will be broadcast and webcast on NASA TV.