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21st Century Tech Blog
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Space
The Latest Head Count Of Solar System Asteroids
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November 1, 2024
Space
Space News Bites – Part 2
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October 26, 2024
Space
Space News Bites – Part 1
lenrosen4
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October 25, 2024
Space
Blue Origin Will See 2025 New Glenn Launch To Deploy The Blue Ring
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October 16, 2024
Space
The Starship Program in Flight 5 Shows The Engineering Works
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October 14, 2024
Religion
Leap Day is a Good Time to Look How the Sun, Moon and Earth Mark Time
lenrosen4
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February 29, 2024
0
Space
Dark Matter and the Cosmic Web in the News
lenrosen4
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February 26, 2024
0
Space
Mars Express Finds an Ice Field That Could Fill Earth’s Red Sea
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January 19, 2024
0
Space
Next Generation Starlink Satellites Being Tested to Provide Direct-to-Cell Phone, Text and Data Capacity
lenrosen4
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December 28, 2023
2
Scientific Theory
Enceladus is the Saturnian Moon That Keeps Surprising Exobiologists and Astronomers
lenrosen4
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December 23, 2023
0
Space
U.S. Defence Agency Issues Calls to Develop a Lunar Economy and Infrastructure
lenrosen4
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December 10, 2023
0
Agriculture
For Humans to Make Mars a Second Home We Need to Bring Along Some “Friends”
lenrosen4
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December 4, 2023
0
Agriculture
The Biggest Impediment to Humans Going to Mars is Food Not Whether SpaceX’s Starship Can Fly
lenrosen4
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November 19, 2023
0
Space
We Can’t See All the Asteroids Coming at Us
lenrosen4
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November 7, 2023
0
Energy/Industry
Two UK Universities Collaborate on Space-Based Solar Aimed at Powering the Planet
lenrosen4
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October 31, 2023
1
Artificial Intelligence
Using AI to Find ET
lenrosen4
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October 5, 2023
0
Nuclear
Nuclear Power is the Way to Go for Humans In Space and What’s Needed to Get Us There
lenrosen4
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September 25, 2023
0
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