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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Bibliographic Details
Main Author: Bolte, Mari
Format: BOOK
Other Format: EBOOK
Published: Cherry Lake Publishing Group 2023
Series:Aliens among us: the evidence