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A daily newsletter charting the future: From technology to the scientific breakthroughs changing our lives.

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The Amazing Cosmic Coincidence That Makes Total Solar Eclipses Possible

One of the reasons a total solar eclipse is possible is because of an amazing cosmic coincidence: the Sun is four hundred times larger than the Moon but is also four hundred times farther away. This makes them seem like they are relatively the same size from our perspective here on Earth.

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