BOOKS What s loo about Science Discover Space Exploration Liz Kruesi Lerner Publications Minneapolis
Chapter 1 EXPLORATION People explore the universe in many ways Astronauts fly into space They have flown as far as Earth's moon To explore more distant places engineers and scientists launch machines Robots have visited nearby planets and their moons They send back pictures and information Astronauts explored the moon in the 1960s and 1970s How do scientists explore more distant places ea as
To explore distant stars scientists use powerful telescopes Telescopes are devices that collect light The light collected from distant stars can tell us a lot about the universe The Hubble Space Telescope circles Earth at a height of more than 340 miles 547