Author Archives: astronomywithannie

Historical Astronomers in Context

Posted on February 17, 2021 by astronomywithannie

My chosen astronomer is Johannes Kepler. Kepler was born on December 27, 1571 and died on November 15, 1630. Kepler is mainly credited for establishing his three laws about planetary motion and orbits. Two major historical events that occurred during Kepler’s lifetime were the founding of Jamestown settlement and the start of the Thirty YearsContinue reading “Historical Astronomers in Context” Continue reading →

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What the heck is a light year?

Posted on February 7, 2021 by astronomywithannie

You’ve probably heard the term light year a lot. You likely heard a planet or star described as a certain number of light years away. But what exactly is a light year? And why do we use light to measure time and distance? How fast does it really go? Light moves at approximately 300,000 kilometersContinue reading “What the heck is a light year?” Continue reading →

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