2020 | ||
Sunday, September 20th | ||
---|---|---|
9:30 AM |
From LEDs to Satellites: Ground-Based and Space-Based Challenges to Dark Skies Jeffrey C. Hall, Lowell Observatory 9:30 AM |
2020 | ||
Sunday, September 20th | ||
---|---|---|
9:30 AM |
From LEDs to Satellites: Ground-Based and Space-Based Challenges to Dark Skies Jeffrey C. Hall, Lowell Observatory 9:30 AM |