Earth, Sun, and Moon

Black hole

             An object so massive and dense that even light cannot escape its gravity.

Milky Way

   A spiral galaxy that contains gas , dust , and stars. 

How many stars does our solar system have?

ROTATION:TO TURN OR CAUSE TO TURN ABOUT A AXIS OR A CENTER.

REVOLUTION

SOLAR ECLIPSE

Lunar Eclipse When Earth comes between the sun and the moon.

PHASES OF THE MOON

TIDAL BORE - is a body of water that rushes up through a narrow bay estuary or river channel during the riseof high tide and causes a sudden tidal rise