Astronomy : A Lifetime of Wonder
Astronomy is not just a hobby ; it ’ s a lifelong journey filled with wonder and discovery . RVers , fortunate to escape the glare of city lights , have a unique opportunity to explore the cosmos . So , the next time you find yourself beneath a starry canopy , gather your family , look up at the night sky , and embark on a journey of celestial exploration . You might just uncover a passion that brings joy and fascination for years to come .
Astronomy Glossary
APERTURE The diameter of the primary lens of an astronomical instrument , often measured in inches or millimeters .
APHELION The point in an object ’ s orbit around the sun when it is farthest
ASTRONOMICAL UNIT Approximately equal to the distance between the earth and the sun – about 150,000,000 km or 93,000,000 miles .
BLACK HOLE A region of space surrounding a massive collapsed star , from which not even light can escape .
BOLIDE A brilliant meteor , which may explode during its descent through the earth ’ s atmosphere .
CELESTIAL SPHERE An imaginary sphere surrounding the earth , concentric with the earth ’ s center .
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