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- Apr 17, 2020
- 2 min
Measuring Darkness In Isolation
Now, while much of the economy and nation are idled, is a good time to quantify the darkness of the night sky. Seize this opportunity to...
- Apr 12, 2020
- 2 min
The Right Stuff In Coronavirus Era
Here’s my Apollo 13 boot print--the one that never stepped on the moon. Go back 50 years and imagine those five days in isolation,...
- Apr 1, 2020
- 1 min
April 2020 Trifecta: Pleiades, Venus, ISS
In the opening days of April 2020, the planet Venus glides past the Pleiades star cluster. This is a naked-eye celestial delight that...