Learn about the vast expanse of space with these pages.
AllAboutSpace.com is a comprehensive on-line hypertext book about astronomy. It is designed for people of all ages and...
Learn about the life cycle of a star with this helpful diagram.
Mercury is the planet closest to the sun in our solar system and the fastest planet.
Astronomy glossary explains basic astronomical terms, C.
A constellation is a group of stars that, when seen from Earth, form a pattern. There are 88 constellations.
Jupiter is the fifth and largest planet in our solar system. This gas giant has 39 known moons and a dark, barely-visible ring.
Astronomy glossary explains basic astronomical terms, P.
Learn about how a star dies in this Astronomy information page.
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