00958cam a2200217 4500 373886576 TxAuBib 20190321120000.0 190219s2019||||||||||||||||||||||||eng|u 9781541538689 27.99 1541538684 27.99 (OCoLC)1039424642 TxAuBib Mara, Wil,. Breakthroughs In Space Travel. 2019. 32 p. Discover exciting changes in space travel. Learn how reusable rockets roar into space and then land gracefully on Earth. Find out how humans stay in space longer than ever and monitor the effects of weightlessness on their bodies. See how people around the world are planning for humanity's greatest mission Mars. Fascinating photos and STEM Focus sidebars flesh out this cutting-edge science adventure. 20190321. TXPLE