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Daily Archives: January 16, 2016
The Size of the Universe
After reading our first assignment in the text, I am stunned by the size of the universe. Our book, The Cosmic Perspective, asks us to imagine that there are 10,000,000,000,000,000,000,000 stars in the observable universe. And then there are more beyond that, over 14 billion light years away! Now I’m thinking about how many planets […] Continue reading
First Post
Welcome to my Solar Systems blog! I look forward to posting here throughout the semester. This is one of my favorite pictures. Last summer, I taught at an amazing school in India and this was the view from my study hall classroom every evening! Continue reading
Our Pale Blue Dot
“That’s here. That’s home. That’s us… The Earth is a very small stage in a vast cosmic arena…. Our posturings, our imagined self-importance, the delusion that we have some privileged position in the Universe, are challenged by this point of pale light. Our planet is a lonely speck in the great enveloping cosmic dark. ” – … Continue reading Our Pale Blue Dot → Continue reading
Posted in Class, Universe
Tagged astro2110, blog1, Carl Sagan, pale blue dot
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