LITMIR.BIZ

Radiometric Tracking Techniques for Deep-Space Navigation focuses on a broad array of technologies and concepts developed over the last four decades to support radio navigation on interplanetary spacecraft. In addition to an overview of Earth-based radio navigation techniques, the book includes a simplified conceptual presentation of each radiometric measurement type, its information content, and the expected measeurement accuracy. The methods described for both aquiring and calibrating radiometric measurements also provide a robust system to support guidance and navigation for future robotic space exploration.

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With bullying affecting approximately one in five children, and an increase in bullying on social media, it remains a frighteningly common issue for children growing up today. Written in a young adult fiction style, Be Bully Free gives the recipient of bullying direct and practical advice to help empower them and take back control of their situation. The advice is grounded in real world, everyday bullying scenarios and additional information is provided to help children in a range of well-being areas such as nutrition, exercise, sleep, anxiety and more, making the book a highly valuable resource for any child 11+ who is experiencing or has experienced bullying. Sections for families and schools are also included.

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