Astronomy Crossword

the pathway an object takes to go around another object
1609, Italy, first astronomer to use a telescope
helps you locate stars and constellations
360 degrees
learning about stars and the universe
the time required for the moon to orbit once around the earth
person who studies the stars and the universe
lines of latitude
lines of longitude
when one object goes around another object
tool used in science, collects radiation
a star with bodies orbiting around it
cattleherders who positioned stones that lined up with the sunrise and summer solstice
the distance light travels in one year (6 trillion miles)
to spin on an axis
a.d. 140, predicted motion of planets, geocentric astronomer
a giant cloud of gas and dust in space
geat explosion created universe 13-15 billion yrs ago
tool used to organize time
where the sky and the earth meet
the time required for earth to rotate once on its axis
collects visible light, has objective lens
angle between an object and the sky
the sun is the center of the universe
the time required for earth to orbit once around the sun
giant star map 'bubble'
a tool used to measure the positions of celestial bodies
the point right above your head
distance between earth and the sun (93 million miles)
the earth is the center of the universe
A large grouping of stars in space
small rocky body revolving around sun
Natural satellite of a planet
A spacecraft that studies space
sphere of gas that makes energy
Atoms join together to create energy