tailieunhanh - Exploring Space

Humans have been exploring their world for thousands of years. People love to discover and learn about new places. Some of today's explorers are making exciting new discoveries in space. Many objects are found in the universe. These include asteroids, planets, moons, comets, and stars. Astronomers are scientists who study the objects in space. People who travel to space to learn about it are called astronauts. | Science Matters Cnntentc Studying Space. Looking Up . Moonwalk . Moving to Mars . Solar System Map . The International Space Station Hubble in Space. A Future in the Sky . Surfing Our Solar System. Science in Action. What Have You Learned . Words to Know lndex. Studying Space Humans have been exploring their world for thousands of years. People love to discover and learn about new places. Some of today s explorers are making exciting new discoveries in space. Many objects are found in the universe. These include asteroids planets moons comets and stars. Astronomers are scientists who study the objects in space. People who travel to space to learn about it are called astronauts. The Hubble Space Telescope circles Earth. It has three cameras that photograph objects in .