Astronomy & 6th Grade
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A galaxy is a huge group of stars, dust, gas, and other celestial bodies bound together by gravitational forces. Learn more...
Learn about the life cycle of a star with this helpful diagram.
Jupiter is the fifth and largest planet in our solar system. This gas giant has 39 known moons and a dark, barely-visible ring.
Learn about how new stars are born/formed with this informative page.
Mars, the red planet, is the fourth planet from the sun in our solar system. Mars has two small moons, Phobos and Deimos.
Label a diagram of a star's life cycle in this printable worksheet.
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Stars are classified by their spectra (the elements that they absorb) and their temperature.
A list of the brightest stars in the observable universe, both as observed from Earth and their absolute magnitude.
Spiral galaxies are galaxies with a central, dense area and spiraling arms (which are often sites of star formation).
There are 12 constellations in the Zodiac, learn about them here!
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