A


AXIS
a line through the center of an object, around which it rotates when spinning		    
B

BAY 
part of the sea or lake extending into land		    

C

 
COMET
a body that orbits around the sun		  
COMPASS
an instrument for showing directions, consisting of a needle that points to the magnetic north pole, which is near the north pole		  
CONSTELLATION
a grouping of stars named for a mythical figure, animal or inanimate object, there are 88 constellations
 
CRATER
a depression		    

D

 
DAY
the time in which the sun is above the horizon		    

E


 EARTH
the planet on which we live
EAST
the point on the horizon where the sun rises		  

F

G

GALAXY
a large collection of stars, dust, and gas in space; a system of millions or billions of stars held together by gravity
GEOGRAPHY 
the scientific study of the earth's surface features		  
GLOBE
an object shaped like a ball with a map of the earth on it

H

I

J

K

L


LIGHT
electromagnetic radiation visible to the eye
 		    

M


MAP
a representation of the earth's surface		  
METEORITE
a fallen meteor, a fragment of rock or metal reaching earth's surface from outer space
MOON 
a satellite that orbits a planet, due to gravitational  attraction
 
MOUNTAIN
a mass of land that rises to a great height , especially of over a thousand feet		    

N


NEBULA 
a gas or dust cloud in space		  
NIGHT
the dark hours between  sunset and sunrise		  
NORTH
to the left of a person standing east where the sun rises

O

P


PENINSULA 
piece of land almost surrounded by water, or extending far out into the water		  
PLAIN
a flat stretch of land		  
PLANET
a "wanderer" one in nine bodies of orbit around the sun
 PLASMA
a state of matter, highly ionized		    

Q

R

 REFLECT
to throw back		  RELIEF
ease given by reduction or removal of pain or anxiety or burden		  
REVOLVE
to turn or cause to turn around
 
ROTATE
to revolve or cause to revolve		    

S

 
SATELLITE
a body that revolves around a larger body; a moon
 SEASON
a section of the year with distinct characteristics of temperature and rainfall		  
SOLAR SYSTEM
the sun with the heavenly bodies that revolve around it

 SOUTH
the point or direction opposite north		  
STAR
a self luminous nearly spherical mass of gas		  
SUN
the star that is the gravitational center of the solar system

T


TELESCOPE 
an instrument for observing objects at distance either visually or by other means		  TILT
being in a slanted position		  

U


UNIVERSE 
the cosmos, everything that is out there		    

V

W


 WEST
the point of the horizon where the sun sets		    

X

Y

Z