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Stars and sun Vocabulary

Use these words to answer the questions. Write your answers in the blanks. Words: star, light-year, habitable-zone, Sirius, planisphere, light-and-heat, navigation, sun

Horizontal Words

An exploding ball of burning gases held together by gravity. (4)
Ancient people used the stars and constellations for _____________. (10)
How far a light can travel in a year. (10)
The brightest star in the north sky. 500,000 time further than sun from earth. (6)

Vertical Words

Two products created by stars. (14)
An area around a star that is the right distance to support water on earth. (14)
The product used to show what stars are visible during any given time of year. (11)
___________ is the star that is closest to the Earth. (3)