Download Stars Unit

PROPERTIE
S OF STARS
There are many different types of stars in the
Universe… our star… The SUN; is a very average
star
What Do we Know about
Stars?
Star Mass from Binary Stars
Star Temperature and Color
A stars temperature is determined by its
color
Temperatures
Cool_____Medium____ Hot
_
Many stars orbit each other= Binary Stars
BINARY STARS
We can find the mass of these stars by the
size their orbits, also the small star blocks
light from the big star, that tells us their
size as well.
_____
Star Distance
Star Brightness
Apparent
Absolute
Magnitude
Magnitude
What the star looks like
from Earth… based on
distance from earth
The actual brightness
of the star from 32.6
light years away….
GEOSCIENCE WARMUPS
4-26-12
Blue=hottest
Red=coolest
Yellow= medium
Agenda:
1. WarmUp
2. COTD
3. Start on Star Poster
4. Star Movie
Goal: I will be able to
list the different colors
of stars and their temps
GEOSCIENCE WARMUPS
4-26-12
What is the temperature
of the sun
a.Hot
b.Cool
c.Medium
Agenda:
1. WarmUp
2. COTD
3. Complete 2 box on
star poster
4. Star Movie
Goal: I will be able to
describe how we tell the
distance of a star from
earth and its mass
GEOSCIENCE WARMUPS 5-212
Scientists use __________ to find the mass of
stars
a.Binary stars
b.Parallax
c.color
Agenda:
1. WarmUp
2. COTD
3. Complete 1 box on
star poster
4. Star Movie
Goal: I will be able to
describe how we tell the
distance of a star from
earth and its mass
GEOSCIENCE WARMUPS
5-2-12
Scientists use __________ to the distance of a
star from Earth
a.Binary stars
b.Parallax
c.color
Agenda:
1. WarmUp
2. COTD
3. Complete 1 box on
star poster
4. Star Movie
Goal: I will be able to
describe how we tell the
distance of a star from
earth and its mass
GEOSCIENCE WARMUPS
5-3-12
This is the real brightness of a star from 32.6
light years away…. not from earth
a.Real magnitude
b.Apparent magnitude
c.Absolute magnitude
Agenda:
1. WarmUp
2. COTD
3. HR Diagram Poster
4. Star Movie
5. Quia Review
Goal: I will be able to
describe how we tell the
distance of a star from
earth and its mass
HR DIAGRAM POSTER
1.
 2.
 3.
 4.

Turn to page 704
Draw the diagram in figure 5, with color
Label the x and y axis
Draw and fill in the following table
Star Type
Super Giant
White Giant
Main Sequence
White Dwarf
Blue Giant
Absolute
magnitude(Bri
ghtness)
Bright, Med, dim
Temperature
in degrees,
then cool,
medium, hot
Color of star
HR DIAGRAM POSTER
1.
 2.
 3.
 4.

Turn to page 704
Draw the diagram in figure 5, with color
Label the x and y axis
Draw and fill in the following table
Star Type
Absolute
magnitude(Bri
ghtness)
Bright, Med, dim
Temperature
in degrees,
then cool,
medium, hot
Color of star
Red super giant
bright
Cool, 3000
red
Giant
Med bright
Cool, 3000
red
Main
Sequence(Sun)
med
Med, 7000
yellow
White Dwarf
dim
7000
white
Blue Giant
Bright
40000
blue
HR DIAGRAM POSTER
1.
 2.
 3.
 4.

Turn to page 704
Draw the diagram in figure 5, with color
Label the x and y axis
Draw and fill in the following table
Star Type
Super Giant
White Giant
Main Sequence
White Dwarf
Blue Giant
Absolute
magnitude(Bri
ghtness)
Bright, Med, dim
Temperature
in degrees,
then cool,
medium, hot
Color of star
HR DIAGRAM POSTER
1.
 2.
 3.
 4.

Turn to page 704
Draw the diagram in figure 5, with color
Label the x and y axis
Draw and fill in the following table
Star Type
Super Giant
White Giant
Main Sequence
White Dwarf
Blue Giant
Absolute
magnitude(Bri
ghtness)
Bright, Med, dim
Temperature
in degrees,
then cool,
medium, hot
Color of star