موسوعة العلم والتكنولوجيا: لماذا – الكون

Description

The universe is the subject of this volume from the «Why» group. It answers the questions young readers ask about planets, stars and eclipses and the reasons behind what we see in the sky.

The Science and Technology Encyclopedia is a series of eighteen books that try to answer the questions we most often ask, adding to our scientific and technological knowledge. Volumes are grouped by question word (When, How, Why, Where, What and Who), and colour pictures make each book entertaining and build a love of reading. Text in Arabic.