The updated and expanded edition of the hit Space Encyclopedia presents the most up-to-date findings on space exploration and research and breathtaking views of the universe, as captured by the latest and greatest technology, including the recent first ever image of a black hole. This complete reference contains everything kids need to know about our sun and planets including the new dwarf planets, the formation of the universe, space travel, the possibility of life beyond Earth, and more. Authored by David A. Aguilar, an internationally recognized astronomer and former Director of Science Information and Public Outreach at the Harvard-Smithsonian Center for Astrophysics, it is an authoritative and beautifully illustrated must-have for every family, providing both accessible information for school reports and compelling reading on the mysteries beyond our planet.