Hakutulokset: Hakutulos
yhteensä 6 hakutulosta
Exploring Dangers in Space Asteroids Space Junk
Have objects from space ever hit Earth? Yes Every day small meteoroids crash into the atmosphere. Some burn up, but some hit the ground. Space junk also falls to Earth. Comets and …
Exploring Exoplanets
Could there be other planets in the universe similar to those in our solar system? Yes Scientists have discovered worlds circling distant stars. They call these objects …
Exploring Black Holes
Exploring the International Space Station
What's longer than a football field, weighs more than 450 cars, yet flies miles above Earth's surface? It's the International Space Station. In this book, you'll learn how the …
Exploring Space Travel
How long does it take to get into outer space? About nine minutes Powerful vehicles carry people beyond Earth's atmosphere in a short time. But astronauts train for years before …