Sending signals into space
"Searching for signs of alien life is nothing new. Since the first believer, people have wanted to communicate with whatever might be out there. Learn about the satellites and observatories being used today to send and receive signals from space, and find out if anything has answered our call&q...
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| Format: | BOOK |
| Other Format: | EBOOK |
| Language: | ENGLISH |
| Published: |
Cherry Lake Publishing Group
2023
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| Series: | Aliens among us: the evidence |
| Subjects: |