On This Day: Mariner program: NASA launches the Mariner 10 toward Mercury. On March 29, 1974,... (1973)
On November 3, 1973: Mariner program: NASA launches the Mariner 10 toward Mercury. On March 29, 1974, it becomes the first space probe to reach that planet.
This historical event can serve as a powerful sermon illustration about God's creation and human discovery. Consider using it when preaching about discovery.
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