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

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×

Saving this for later?

Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime - even offline.

Text the download link to your phone

Standard text messaging rates apply

Chapter25

1,118
views

Published on

Published in: Education

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
1,118
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
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