535-Alone Or Not
May 10, 2019 ·
2m
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Description
In our Milky Way Galaxy alone there are probably 25 billion planets located within the habitable zone of its star where there could be air to breathe and liquid water...
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In our Milky Way Galaxy alone there are probably 25 billion planets located within the habitable zone of its star where there could be air to breathe and liquid water on its surface. The search is on for advanced civilizations . The search is on for aliens.
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Information
| Author | Dr. Al Grauer |
| Organization | Dr. Al Grauer |
| Website | - |
| Tags |
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