What's Inside Earth? Shocking Secrets of Earth's Core, Layers & Deepest Hole Revealed!

On October 30, 1964, NASA's Lunar Landing Research Vehicle, or LLRV, took to the skies for the first time Space History Archives👉https://space-com.visitlink.me/W_zRxL The LLRV was a bizarre, four-legged flying contraption commonly known as the "Flying Bedstead." NASA used it to simulate moon landings and liftoffs on Earth to prepare for Apollo 11. The first person to give it a whirl was the X-15 pilot Joe Walker. During this test flight, he reached an altitude of about 10 feet, and he hovered t