Your SlideShare is downloading. ×
  • Like
Chapter25
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×

Now you can save presentations on your phone or tablet

Available for both IPhone and Android

Text the download link to your phone

Standard text messaging rates apply
Published

 

Published in Education
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Be the first to comment
    Be the first to like this
No Downloads

Views

Total Views
1,106
On SlideShare
0
From Embeds
0
Number of Embeds
1

Actions

Shares
Downloads
4
Comments
0
Likes
0

Embeds 0

No embeds

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
    No notes for slide

Transcript

  • 1. Chapter 25 Section 1: STARS
  • 2. Patterns of stars: Constellations
    • Ancient cultures used mythology or everyday items to name constellations.
  • 3. Modern Astronomy Studies 88 Constellations
  • 4. Some constellations are not visible all year because Earth revolves around the Sun.
  • 5. Circumpolar constellations in the northern sky appear to circle around Polaris and are visible all year.
  • 6. Circumpolar Constellations
  • 7. Star Magnitude
    • Absolute magnitude: measure of the amount of light a star actually gives off.
    • Apparent magnitude: measure of the amount of a star’s light received on Earth
  • 8. Space Measurement
    • Astronomers measure a star’s parallax
      • The shift in its position when viewed from 2 different angles.
  • 9. Distance is measured in light-years
    • Light year: distance light travels in a year.
  • 10. Star Properties
    • Color indicates temperature
      • Hot stars are blue-white
  • 11. Cool stars look orange or red