Credit: NASA and STScI
April 24, 2015, marks the 25th anniversary of the launch of the Hubble Space Telescope. You can participate in this celestial silver celebration right in your classroom! Join the Hubble National Teach-In sponsored by the Space Telescope Science Institute in Baltimore, Maryland at 1pm EDT on Fri., April 24. To join the teach-in visit http://hubble25th.org/education/24.