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Space Systems Readers and Passages

Twinkling Stars and Galaxies - reading educational content
Twinkling Stars and Galaxies
Learn about stars, the massive balls of gas that produce light and heat, and their life cycles, from birth in nebulas to...
RI.4.4RI.4.2
Understanding the Inner Planets - reading educational content
Understanding the Inner Planets
The inner planets of the solar system—Mercury, Venus, Earth, and Mars—are known for their solid, rocky surfaces. Mercury...
RI.4.4RI.4.2
Stars and Galaxies - reading educational content
Stars and Galaxies
Stars and galaxies light up the vast universe, with stars generating their own heat and light. Stars, born in nebulas, c...
RI.4.4RI.4.2
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