Transcript Chapter 11 Lesson 1

THE SKY FROM EARTH
CHAPTER 11 LESSON 1
WHAT DID ARYBHATA DISCOVER?
• He thought that stars moved
from east to west because
Earth moves from west to east.
WHAT 5 THINGS MIGHT YOU SEE IN THE
NIGHT SKY ON A CLEAR NIGHT?
• Stars
• The moon
• Planets
• Meteors
• Comets
WHAT IS A NATURAL SATELLITE?
• A body that orbits that is not man made
WHAT IS EARTH’S NATURAL SATELLITE?
• The moon
WHAT ARE THE THREE REQUIREMENTS FOR A PLANET?
•Orbits the sun
•Rounded by gravity
•Cleared the area of its orbit
WHAT IS A “SHOOTING STAR”?
• A meteor
WHAT IS THE DIFFERENCE BETWEEN A
METEOR AND A COMET?
• A meteor is an object that is burning up in the
earth’s atmosphere
• A comet is a cold mixture of dust and ice
WHAT IS KNOWN ABOUT A STARS’ LOCATION
IN THE SKY?
• The stars position is based on the position of the
other stars relative position
WHAT ARE THE TWO WAYS THAT SCIENTISTS
USE THE WORD “CONSTELLATION?”
• A pattern of stars
• An area of the sky and all the items in that
area
HOW MANY WESTERN CONSTELLATIONS ARE
THERE?
• 88
WHAT IS A STAR CHART?
• It is a chart that can help you locate a star in
the night
WHAT IS POLARIS?
• The north star
WHAT IS APPARENT MOTION OF ITEMS IN
THE SKY BASED ON?
• The objects in the sky appear to move based
on the motion of earth.
WHAT CAUSES THE STARS AND SUNS
APPARENT MOVEMENT IN THE SKY?
• The earth turning west to east
WHAT CAUSES THE SEASONAL CHANGES IN
THE OBJECTS IN THE NIGHT SKY?
• Causes by earth’s orbit around the sun
WHAT CONSTELLATIONS CAN YOU SEE YEAR
ROUND?
• The constellations close to the north star
WHAT IS THE ZODIAC?
• The area in the sky where
the planets orbit the sun
WHEN CAN YOU SEE MARS, JUPITER, AND
SATURN?
• When the Earth
passes between
the planets and
the sun they
become visible
WHEN CAN YOU SEE VENUS AND
MERCURY?
• In the evening and early morning
WHAT IS THE BRIGHTEST PLANET IN THE
NIGHT SKY?
• Venus