【實用書籍app】Astronomy Timeline|最夯免費app

Though man has studied the universe for thousands of years, we still know very little about the place we live in. And as we continue to learn more, we are consistently amazed, and sometimes confused.

This app helps open oneself to the amazing history of astronomy by listing all the great events in chronological order.

Browse through all the events that has made history!

Note: Only the facts listed in first section are free. To unlock all sections you must purchase after downloading this app.

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免費玩Astronomy Timeline App

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