In 1609, Galileo Galilei, an Italian scientist, performed the first observation of the “stars” using a telescope. The Moon was covered with craters, the Milky Way was made of numerous stars, satellites circulated Jupiter, Venus *waxed and *waned...
Even with a small telescope, only 4cm in diameter, Galileo found the sky filled with surprises that overturned the human understanding of the universe.
DIFFICULT VOCABULARY
wax - crecer
wane - menguar
No comments:
Post a Comment