×
Log in to StudySoup
Get Full Access to Baylor University - PSC 2302 - Study Guide
Join StudySoup for FREE
Get Full Access to Baylor University - PSC 2302 - Study Guide

Already have an account? Login here
×
Reset your password

What is the new star?

What is the new star?

Description

School: Baylor University
Department: Political Science
Course: American Constitutional Development
Professor: James curry
Term: Winter 2016
Tags: Baylor, astronomy, Russell, and Test 3
Cost: 50
Name: Astronomy Test 3 Study Guide
Description: Astronomy Test 3 study guide from Dr. Russells class over the sun, measuring stars, HR Diagrams, the life cycle of stars
Uploaded: 04/02/2016
4 Pages 7 Views 12 Unlocks
Reviews

Mrs. Gloria Thompson (Rating: )

I'm really struggling in class and this study guide was freaking crucial. Really needed help, and Sydney delivered. Shoutout Sydney, I won't forget!



SCV SOUD


What is the new star?



Study Sour

Studs SOUT

* Deaths of stars:

- planerary nebula planetary core of

white dwart emits gas donds of diff. shapes (death explosion of low mass star,

reminant is white dwarf) - nova "new"star -super nova really bright her "star


What is hydrostatic equilibrium?



la : special arcumstances, whiłe dnarf (not normal

11: death of high mass star - Chandrasekhar limit: maximum mass of Don't forget about the age old question of phil 1321 uh

study sou

stable white duart

If mass exeeds limit, it becomes a Don't forget about the age old question of - Why is public health controversial?

neutron star (1.29 solar masses) 28-10 solar masses: White duart L 78-10 solar masses: neutron star black hole]


Measurements of stars.



* hydrostatic equillibrium

-how bigd star is in -gas pressure pushes out, gravity pulls If you want to learn more check out sar clade

contain size where these balance out

equalize * apparent magnithde.

- smaller number = brighter star - difference of 5 is 100x brighter

SOU

Studio

Study Sou

undy Soup

SOUP

Study Soup

Study SON

ss

of

a star

Judy Soup

2. Measurements of stars

* luminosita amount of light a star emits

from its surface (absolute brightness) X apparent brighiness: how bright a star appears

to detectors on earth * Stellar luminosity: determined by

distance and apparent brightness * brightness = luminosity I (417d2)] Don't forget about the age old question of chm 2210 uf

d=distance Lo knowing distance, brightness, or

luminosity can explain the other * Magnitude scales?

- apparent magnitude bightness

- absolute magnitude luminosity * Determining stellar Distanas: Don't forget about the age old question of keelon hinton

Direct Method

- parallax standard candle Technique

Cusing luminosity to find distance)

- Spectroscopic

(main sequence temp). - variable star

(cepheid variable / puise period) * Property Measurement Law/Principle.

e Temp. spectrum radins/volume luminosity temp.

mass binam stars radial velocity red/blue shift If you want to learn more check out uf animal science

Weins law Stefan-Boltzman

Keplers and law I Doppler Effect

Study Soup

Study Soup

) Study Soup

Exam 3 study onide The sun * Star-glowing ball of gas held together

by gravity and powered by nuclear fusion * sun vital statistics

-radius: 696,000 km (100 earth radic)

1 million earths to fill sun. - surface temp n 6000K

- composition: Hydrogen & Helium * structure of the sun (inside outside):

core (fusing it & Hel radiation zone

convection zone - photosphere (surface)

chromosphere - corond - solar wind

Sticho

helioseismoloan: used to measure vibrations

inside the sun to understand its interior * Sun's energy coup

- produced in the core from Hydrogen

fusing to Helium - radiation and connection push energy

to the surface 1 x sunspots darker, cooler regions on the sun

with intense magnetic fields come in pairs

like poles of a magnet

all year sunspot cude * solar cicle: 22 years, magnetic poles of sun

reverse and return to onginal configuration

Study Soup

Stuasoup

3. HR Diagrams & life cycle of stars

Chigh mass) Ishon life) red giant

SOU

udy SOUT

Hisouiwing

Clong 160) Clow mass)

white dwarf

mathanence

A study

Stud

Ha

temperature -

*(for main sequence stars):

• иррск lеff

- lower right - higher temp

- lower temp - higher luminosith - lower luminosity - short life

- long life - high mass

- low mass * parsec unit of length for distant objects

(2.2 light-years away) * life ade of a star

Study

2

I stage fusion in core main sequence Itt He (90% of life) red giant, no fusion (retirement

branch Hetc. asympone giant branch/ no fusion star collapse

3/ honzontal

Stud: Soup

4

a

plane aid

-

(nigh mass)

6/ white dwarf - (high mass star: iron

type Il supernova

heutron starts

black hole

Page Expired
5off
It looks like your free minutes have expired! Lucky for you we have all the content you need, just sign up here