Question
When astronomers do radar astronomy, they
- they try to avoid getting speeding tickets on their way hope from the observatory
- they send out radar waves that can eventually reach and measure other gallavies
- look for radar beams from civilizations on other planets
- they bounce a radar beam off the surface of solid objects in our solar system
- they send information from one telescope to amother on Earth using radar waves
Answer
Astronomers use radar astronomy to bounce a radar beam off the surface of solid objects in our solar system and send information from one telescope to another on Earth using radar waves.