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| 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 |
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|---|---|---|
Subscribe to RSS Feed (Opens in New Window)
| 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 |
|
|---|---|---|