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www.space.com | ||
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starkeycomics.com
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| | | | | A brief history of the 30 or so objects in our solar system that have been considered planets at some point. While the planets themselves may seem constant and timeless, the way we define the term "planet" has changed drastically over the centuries. Here's my timeline of all the objects considered planets in our solar [...] | |
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interestingengineering.com
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| | | | | It continues to rage 15 years after the IAU attempted to resolve it by defining what a "planet" is. | |
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www.leonarddavid.com
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| | | | | The U.S. Air Force's X-37B miniature space plane has winged past 340 days of flight performing secretive duties during the program's fifth flight. | |
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runswiththedug.wordpress.com
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| | | Visit the post for more. | ||
