epub |eng | 2019-07-09 | Author:Jen Green [Green, Jen]

Galileo got another surprise when he turned his telescope to view the planet Venus. Over several weeks, he saw different amounts of the planet’s surface were lit by the sun. ...

epub |eng | 2014-08-30 | Author:Kyla Steinkraus

Earth’s distance from the Sun is just right, not too hot or too cold. Earth is the only planet with the right atmosphere and enough water to support life. Earth ...

epub |eng | 2021-11-16 | Author:Jennings, Marianne

DID YOU KNOW? Left Foot First The first step on the Moon taken by Neil Armstrong was with his left foot.16 AFTER ARMSTRONG’S SPEECH In case the spacewalk was aborted, ...