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Constellations we see all year round are called;. Circumpolar constellations Example of a circumpolar constellation is Little Dipper or Big Dipper. The star that is (almost) locate over our North Pole is . POLARIS The constellation that includes POLARIS is the Little Dipper (Ursa Minor).

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constellations we see all year round are called
Constellations we see all year round are called;
  • Circumpolar constellations

Example of a circumpolar constellation is

  • Little Dipper or Big Dipper
the star that is almost locate over our north pole is
The star that is (almost) locate over our North Pole is
  • POLARIS

The constellation that includes POLARIS is the

  • Little Dipper (Ursa Minor)
what cultures are most noted for our stories of how the constellations came to be
What cultures are most noted for our stories of how the constellations came to be?
  • Ancient Greeks and Romans
what do astronomers use to measure distance to the stars
What do astronomers use to measure distance to the stars?
  • Parallax

What do we call the amount of light a star ACTUALLY GIVES OFF?

  • ABSOLUTE MAGNITUDE
this is the measure of light received from a star here on earth
This is the measure of light received from a star here on Earth.
  • APPARENT MAGNITUDE

This is the distance light travels in one year

Light year

how fast can light travel
How fast can light travel?
  • A. 25,000 km per hr.
  • B. 100,000 mi per hr
  • C. 300,000 km per hr
  • D. 300,000 km per sec
  • D
which of these is true light can travel
Which of these is true? Light can travel…
  • A. 9.5 x 10 12 km per sec
  • B. 9.5 x 10 12 km per year
  • C. 300,000 km per year
  • D. 3 x 107 km per year
  • B
in a star what does color tell us
In a star, what does color tell us?
  • The temperature of the star

Color blue or white means

  • HOT

Color red or orange means

  • COOL
what do we use to identify what elements make up a star
What do we use to identify what elements make up a star?
  • Spectroscope to see the star’s Spectrum

What part of the stars spectrum are we able to see?

  • Visible light-color
about the sun
About the Sun;

Hottest and inner most layer, where the energy is produced, is the

  • CORE

Layer of Sun’s atmosphere that gives off light is

  • PHOTOSPHERE

Areas on the surface of the sun that are COOLER than the areas around them:

  • SUNSPOTS
tell me about the sun
Age

Temperature

Made of

Size

Middle aged

Medium

Hydrogen fusing to helium

Medium sized

Tell me about the Sun
tell me more about the sun
How long for light to travel from Sun to Earth?

Next closest star (in distance)

List 2 examples of how energy from the Sun arrives here at Earth

1. 8 minutes

2. 4.2 light years (Proxima Centauri) it is 270,000 times farther from Earth than the Sun

3. visible light, infrared and ultraviolet radiation,

Tell me MORE about the Sun:
slide13

The following picture was taken fromFrom Core to Corona. Image credit:p.110,125,Kaler. 3/16/05. <http://fusedweb.pppl.gov/CPEP/Chart_pages/5.Plasmas/Sunlayers.html>

slide23

SOLAR FLARE

Identify the letter that is starred:

vocabulary
Constellations seen all year round

The obvious shift in an objects position when viewed from 2 different angles.

Distance light travels in a year

Circumpolar constellations

Parallax

Light year

VOCABULARY
slide25
4. Fictional stories of how constellations came to be.

5. Measure of the amount of light a star really gives off.

This is used to indicate what elements a star is made of

4. Mythology

5. Absolute magnitude

6. spectrum

slide26
7. Used to graph stars using temperature and absolute magnitude.

Large cloud of gas and dust that BEGINS a new star.

Measure of the amount of star’s light as seen from Earth.

H-R diagram

8. Nebula

9. Apparent magnitude

slide27
The Earth spinning on it’s axis

The Earth moving in an ellipse around the sun.

Areas cooler than those around them on the Sun.

Huge stars that are very cool.

The end of a star’s life

Rotation

Revolution

Sunspot

Super giant

White dwarf

slide28
A place in the galaxy with a gravitational pull so strong even light cannot escape!

A large collection of stars, gas and dust held by gravity.

Light shifts as it moves towards or away from an object, what is that shift called?

15. Black hole

16. Galaxy

17. Doppler Effect

according the doppler effect
An object moving towards us will shift to the ___ end of the spectrum

An object moving away from us will shift to the __ end of the spectrum

Blue-violet

Red

According the Doppler Effect..
slide30
18. All celestial bodies, and all of space, the cosmos and all things that exist.

19. A pattern of stars.

20.Earth’s galaxy is the…

18. Universe

19. Constellation

20. Milky Way

slide31
What are the 3 types of galaxies?

22.Which type of galaxy is the Milky Way?

23.Where is our solar system found in the Milky Way?

21. Elliptical, spiral and irregular

Spiral

outer edge of a spiral arm

using the terms below put them in the correct order for a star from birth to death
Dwarf

Main sequence

Nebulae

Giant

C B D A

Using the terms below, put them in the correct order for a star from birth to death.
slide34

What is measured on the Y-axis?

Luminosity or

Absolute magnitude

slide35

What is measured on the X-axis?

Surface temperature

Or

Spectral class

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