Monday, December 11, 2017

STARS

What is a constellation?  A group of visible stars that form a SHAPE when viewed from Earth:  the shape of an animal, a mythological creature, a man, a woman, or an inanimate object such as a microscope, a compass, 
The sky was divided up into 88 different constellations .

INVENTIONS

  22 inventions that changed the world https://www.livescience.com/33749-top-10-inventions-changed-world.html