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www.space.com | ||
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interestingengineering.com
It continues to rage 15 years after the IAU attempted to resolve it by defining what a "planet" is. |
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science.nasa.gov
Our solar system has five dwarf planets: In order of distance from the Sun they are: Ceres, Pluto, Haumea, Makemake, and Eris. |
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www.leonarddavid.com
Megaconstellations like SpaceX's Starlink offer great benefits for humanity. But there are also costs, including a growing imposition on astronomy, experts say. |
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www.space.com
NASA astronauts Buzz Aldrin, Mike Collins and Neil Armstrong got to sleep in an extra hour before entering the moon's gravity on July 18, 1969. |
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