Sparks Commentary
Part history, part politics, and part random other stuff.
Showing posts with label
astronomy
.
Show all posts
Showing posts with label
astronomy
.
Show all posts
Thursday, September 22, 2022
A review of Neil deGrasse Tyson’s “Cosmos: A Spacetime Odyssey”
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I am a big fan of the original “Cosmos” TV series , made by Carl Sagan in 1980. Thus, when I heard that there was a 2014 reboot of the se...
Tuesday, February 15, 2022
A review of “Astronomy: The Heavenly Challenge” (audiobook)
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The battle over the Sun-centered universe was as much political as it was scientific. During the sixteenth and seventeenth centuries , a th...
Friday, October 4, 2019
How did the Cold War lead to the Space Race?
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“ Poyekhali !” (“Let's go!”) – Yuri Gagarin , the first man in space, at the moment of the Vostok 1 rocket launch that first sent h...
Saturday, July 18, 2015
A review of Carl Sagan’s “Cosmos: A Personal Voyage”
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"The Cosmos is all that is, or ever was, or ever will be ... " - Opening lines of Carl Sagan's "Cosmos: A Personal Vo...
Friday, January 23, 2015
Some fun facts about our solar system
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Most of us know that the years on other planets seldom (if ever) correspond to the years on our own. Here are some fun facts about the yea...
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