Astronomy 101 Section 002

Test 3 Review

 

Chapters 9 – 13

 

Test Date: November 18, 2002

 

50 Questions, 100 points total, 2 points per question

Multiple Choice

 

Concepts and Terms for Review

 

Chapter 9 The Sun


What is a star (sun)?

Layers of the sun – names and properties

What is the solar constant?

What is luminosity?

What is helioseismology?

Granulation and Supergranulation

Coronal holes

Sunspots and the sunspot cycle

Sun’s magnetic field and the solar cycle

Active regions, Prominences, Flares

Nuclear fusion

Proton-proton chain

Laws of conservation of mass and energy

Neutrinos and the solar neutrino problem

 


 

Chapter 10 Measuring the Stars


What is parallax and what is a parsec?

Proper motion of a star

Apparent brightness, apparent magnitude

Magnitude scale

Absolute brightness and magnitude

Spectral Classes (OBAFGKM)

Radius-luminosity-temperature relation

Dwarfs, Giants, Supergiants

Red giants

White dwarfs

H-R diagram and its features

Binary star systems (visual, spectroscopic, eclipsing)

Stellar light curves

Spectroscopic Parallax

Luminosity classes (Ia – V)

 


 

Chapter 11 The Interstellar Medium


What is the interstellar medium?

Dust and dust grains

Reddening

Emission nebulae

Dark dust lanes and clouds

21 centimeter radiation

Molecular clouds

Molecular cloud complex

Evolutionary track of forming star on H-R diagram

Protostar

T Tauri phase

Zero-age main sequence

Brown dwarfs

Star clusters (Open and Globular)

Stellar Associations


 


 

 

 

 

Chapter 12 Stellar Evolution


Core-hydrogen burning

Hydrogen-shell burning

Subgiant branch

Red Giant branch

Helium flash

Horizontal branch

Red supergiant

Planetary nebulae

Black dwarf

Nova

Accretion disks

Core collapse supernovae

Type I and Type II supernovae

Carbon-detonation supernova

Supernova remnant

Main sequence turnoff

Formation of heavy elements

 


 

Chapter 13 Neutron Stars and Black Holes


Features of Neutron Stars

Features of Pulsars

Lighthouse model

Xray burster

Gamma ray bursts

Millisecond pulsars

Features of Black Holes

Einstein’s General Theory of Relativity

Schwartzschild radius

Event horizon

Gravitational redshift

Time Dilation

Singularity

Binary systems with black holes