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OverviewSince the early 1600s, telescopes have helped us examine the stars. Early telescopes used two glass lenses to focus light. Today, we use mirrors in the same way as glass, but mirrors are lighter and easier to make than lenses. To see dim objects that are far away, these mirrors must be very large. They're much larger than the average hobbyist telescope. With this volume, readers will learn about the components of a telescope and the role each component plays. They will read about different types of telescopes and the objects that each can help them see in great detail. Full Product DetailsAuthor: Phil CorsoPublisher: PowerKids Press Imprint: PowerKids Press Dimensions: Width: 20.60cm , Height: 0.50cm , Length: 21.10cm Weight: 0.200kg ISBN: 9781725318212ISBN 10: 1725318210 Pages: 24 Publication Date: 30 July 2020 Recommended Age: From 8 to 12 years Audience: Children/juvenile , Children / Juvenile Format: Paperback Publisher's Status: Active Availability: Available To Order ![]() We have confirmation that this item is in stock with the supplier. It will be ordered in for you and dispatched immediately. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |