To get there, they need a lot of equipment and supplies. Scientists are hard at work creating new spacecraft, spacesuits, and technology to help astronauts on their journey. Learn how scientists plan on sending humans to land and explore on Mars.
9~12 歳
著者について
Margaret J. Goldstein was born in Detroit and graduated from the University of Michigan. She is an editor and the author of many books for young readers. She lives in Palm Springs, California.