"When a scientist came across a satellite image of the Antarctic's remote Danger Islands streaked with pink guano, she knew she was seeing evidence of a large, previously unnoticed colony of penguins. Join the team on an exploration as they discover one of the world's largest populations of Adelie penguins"--Provided by publisher.
Explores the four seasons, discussing such topics as the difference in shadows, temperatures, and the length of days,and what happens to plants and animals at different times of the year.
Discusses different aspects of time and how we measure it, including clocks, calendars, time zones, day and night, the seasons, and more. Includes related activities.
An introduction to astronomy, with information about such topics as how stars are born and how they die, why stars twinkle, and how to identify constellations.