article_snippet.sent: To celebrate the Hubble Space Telescope's 25th anniversary tomorrow, Nasa has released an image of a fantastic tapestry of stars snapped by the orbiting observatory.
article_snippet.sent: ’s estimated that the Hubble Space Telescope can continue operating until 2020, when the Hubble Space Telescope will overlap with the James Webb Space Telescope, which is set to launch in 2018. '
article_snippet.sent: The image is part of a week of celebrations by Nasa to commemorate what is widely regarded as the most important space telescope of all. '
article_snippet.sent: This is really an exciting week for astronomers and people who love astronomy all over the world,' said Hubble scientist Jennifer Wiseman at a televised anniversary celebration at the Newseum in Washington, DC.
article_snippet.sent: Nasa is celebrating the Hubble Space Telescope's (pictured) 25th anniversary with a variety of events highlighting Nasa groundbreaking achievements and scientific contributions with activities running April 20-26.  
article_snippet.sent: Nasa hopes to keep Hubble operating through 2020 to overlap with Nasa successor, the James Webb Space Telescope, due to launch in October 2018.