【實用娛樂app】Sky & Telescope Magazine|最夯免費app-綠色工廠好玩App

In Sky & Telescope magazine, you’ll find everything you need to know to observe and understand the sky.Subscribe now and receive the following features every month:Expert observing tips and techniques for every celestial object and seasonA star map — your guide to the stars and planets visible that month A celestial calendar — never miss important celestial events in your sky Science features that shed light on the universe’s mysteries Reviews of telescopes and other astronomy-related equipmentSubscribe to the iPad edition of Sky & Telescope and enjoy access to the following digital extras:• Watch videos that bring the science and hobby to life• Access interactive observing tools• Search on key words across one issue or all issuesSubscriptions available on iPad and iPhone:1-month subscription for $3.99, automatically renewed* until canceled1-year subscription for $37.99, automatically renewed* until canceled*Subscriber's automatic renewal feature: Your credit card will automatically be charged for another subscription period (another year for annual subscribers, another month for monthly subscribers) unless you change the auto-renew option under Manage app Subscriptions in your account settings.(The images below are representative — to see the latest issue, download the application.)