Sending Signals into Space
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 responded to our call.
- ISBN Number
- 9781668909843
- Trim Size
- 7" x 9"
- Binding Type
- Reinforced Library
- Number of Pages
- 32