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The top documents tagged [frequency of sunspots]
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frequency of sunspots
Star s. What Are Stars Made Of? Planets – Solids (Rock, Ice) or Gas Stars are made from the fourth state of matter, plasma. Heat up a gas such as the.
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December in Antarctica: The Sun never sets. The images are 1 hour apart.
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Stars and Galaxies The Sun. The Sun’s Layers More than 99% of all matter in the solar system is in the Sun. Within the universe, the Sun is just an ordinary.
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