Celebrate Hubble’s 35th Year with This Observing Challenge
Join NASA and the Astronomical League in a fun new observing challenge that celebrates Hubble's 35th anniversary. The post Celebrate Hubble’s 35th Year with This Observing Challenge appeared first on Sky & Telescope.
Join NASA and the Astronomical League in a fun new observing challenge that celebrates Hubble's 35th anniversary.
The post Celebrate Hubble’s 35th Year with This Observing Challenge appeared first on Sky & Telescope.
