Edwin Powell Hubble
Edwin Hubble is known to be one of the most influential astronomers of the twentieth
century. Hubble was born on November 20th 1889 and graduated from the University of Chicago
in 1910. Hubble was recruited from Californias Mount Wilso
CHAPTER 15LIFE ON OTHER WORLDS
1. What are a cell's DNA molecules made of?
a. amino acids
c. sugars, phosphates, and bases
d. fatty acids
2. What do DNA molecules contain the patterns for?
CHAPTER 14COMPARATIVE PLANETOLOGY OF THE JOVIAN PLANETS
1. Which of the following do Jupiter and Saturn have in common?
a. liquid metallic helium in their interiors
b. large, permanent storms
c. moons with thick atmospheres
d. radiating mo
CHAPTER 7THE STRUCTURE AND FORMATION OF STARS
1. Why are protostars difficult to observe?
a. The protostar stage is very long.
b. They are all so far away that the light hasn't reached us yet.
c. Most of their radiation is in the form of X
CHAPTER 6THE FAMILY OF STARS
1. In what kind of type A star are the hydrogen lines narrowest?
b. main-sequence stars
2. What would make parallax easier to measure?
CHAPTER 13COMPARATIVE PLANETOLOGY OF THE TERRESTRIAL PLANETS
1. Which of the following is NOT one of the stages in the development of a terrestrial planet?
c. slow surface evolution
CHAPTER 8THE DEATHS OF STARS
1. As a star exhausts the hydrogen in its core, what happens?
a. It becomes hotter and more luminous.
b. It becomes hotter and less luminous.
c. It becomes cooler and less luminous.
d. It becomes cooler and mor
Module 6 Notes
Hertzsprung-Russel Diagram (HR diagram)
Luminous on vertical axis, temperatures on horizontal.
Right hot , left cool. Spectral types along horizontal axis (OBAFGKM)
Sorted by diameter
Red dwarfs lower right end, low luminosity, small diamet
Module 8 Notes
Edge Centre problem no edge or centre
Olbers paradox black sky, universe had a beginning
The Planck era t=0 to 10^-43 seconds 10^32 K
Gut Era 10^-29 seconds 10^29 K Grand Uniied Theory, inflation
Electroweak era 10^15 K
Pair production - qu
AS 102 LA6B
The Humbling Truth
Is there intelligent life somewhere in the universe? This question is likely a topic you
have been exposed to either in school discussions or in conversations while staring into the
nights sky. I believe there
AS 102 Module 5
Lesson 1: Our sun
Makes up 99.86% OF THE MASS OF THE SOALR SYSTEM
Differential rotation, spins faster at equator (27 days)
CME coronal mass ejection
Corona region above the suns surface, 1 million kelvin
Chromosphere right above suns s
Module 7 Notes ch 9/10
Chapter 9: Milky Way Galaxy
9.1 Discovery of the galaxy
Instability strip HR where stars are unstable to pulsate. Star through this strip becomes a variable star
Cepheid variable stars pulsation period of 1 to 60 days, period of var
Lesson 1 Chapter 5 (5.1-5.5)
Spectral line: a bright or dark like in a spectrum at a specific wavelength produced by the
absorption or emission of light by certain atoms
Deep inside Suns core, energy is produced by nuclear fusion
Parallax is the
Lesson 2 Chapter 5 & 7 (5.6, 7.2)
17th century, Galileo observes spots on Sun; observed them moving day by day; concluded
that Sun is sphere and is rotating
Sunspots are cool spots on Suns surface caused by strong magnetic fields
Lesson 4 Chapter 6 & 7 (6.4, 6.6, 7.1, 7.3, 74)
Hertzsprung-Russell (H-R) diagram: a plot of the intrinsic brightness versus the surface
temperature of stars; it separates the effects of temperature and surface area on stellar
Lesson 3 Chapter 6
To find distance to star take photo of star, six months later take another photo of the same
star; wont be in same place
o Use angles and base measurement to find distance to star
Steller Parallax (p): the small apparent shift i
A Lesson on Star Death
Table of Contents
White dwarf:. 2
neutron star:. 3
black hole:. 4
Similarities and Differences.5
Works Cited. 6
By: Daniel Goyzman, Junfeng Du and Jennifer Jarvi
It is often overlooked, but stars have
Astronomy Final Practice Questions
1. What is the outermost part of the Sun called?
2. How much larger is the Sun than the Earth?
a. 109 times
3. What region of the Sun is directly below the photosphere?
a. Convection Zone
4. You have a twin tra
Students at Wilfred Laurier University
Wilfred Laurier University
75 University Ave W, Waterloo, Ontario N2L 3C5
(519) 884 1970
July 28th 2017
Edwin Powell Hubble
University of Chicago
5801 S Ellis Ave, Chicago, IL 60637, USA
Dear Dr. Edwin P. Hubble,
1. What does an elliptical galaxy contain?
a. mostly lower main-sequence stars and giants
b. mostly upper main-sequence stars
c. mostly upper main-sequence stars and gas and dust
d. roughly equal numbers of upper and low
White dwarf stars are the remnants of hot, dense ceased stars. The remains of a star
known as stellar cores are left behind after the star has exhausted its fuel supply. This fuel within
the core is known as hydrogen. It is important to note
Learning Activity (M5-A)
Our Star: The Sun- Source of All Light and Heat
NASAs IRIS Mission
At the end of June 2013, the most recent mission to the sun, this known as the Interface
Region Imaging Spectrograph (IRIS) was launched by National Aeronautics an
Take the toaster switch
Plug it in a socket
Press the turn on button
Let the toaster get warm a bit
Place the piece of bread in the toaster
When the bread is heated
Take the crispy bread out
N pieces of bread: take n divide it by the number of breads
My essay topic is about the socialization. The socialization in different social groups.
As I am from Pakistan, and now that I live in Canada, Ive realized the difference in between
these two social groups. The v
Edwin Powell Hubble
Edwin Powell Hubble was a very tall, smart and an athletic man was born on Nov 20th,
1889 in Marshfield Missouri, to a father John Powell
February 28th, 2017
Pakistan is an eastern country located in South Asia with an approximate population of
196,174,38 (Commisceo Global, 2016). It was announced an independent state on 14 august,
DH100 Computer survey
September 18, 2016
Wed like to know a little more about your computer and you to help us
provide optimal support.
First, we need to know who you are. This information will be kept strictly confidentia
Neutron stars are the remains of when very large sized stars, compared to the sun, in the
universe die in a supernova and their cores collapse. Their electrons and protons, the
negative and positive particles in atoms respectively, melt together to form n
Dr. Arthur Read
May 27, 2017
Colliding galaxies are a very fascinating phenomenon with catastrophic
consequences. The spanse of Galaxies is enormous however the space between them
CHAPTER 9THE MILKY WAY GALAXY
1. Who first calibrated the Cepheid variable stars for use in determining distance?
a. Edwin Hubble
b. Henrietta Leavitt
c. Carl Sagan
d. Harlow Shapley
2. Which of the fol
A Stars End
Omer Chaudhry 160441000
Kulbir Penesar 140808200
Penining Li 153173340
From the beginning of life on earth the closest star to mankind has been the Sun, though
this may be the star we are most familiar with there are an esti
CHAPTER 5SUN LIGHT AND SUN ATOMS
1. What is the definition of Absolute Zero?
a. zero degrees Celsius
b. the temperature at which no thermal energy can be extracted from atoms
c. the temperature at which water freezes
d. the temperature at
Lesson 1: Chapter 5 The Sun: The Closest Star
Key Learning outcomes
1. Describe the physical characteristics of the Sun as a whole and compare the various
layers that make up the Sun
2. Describe the hydrostatic balance keeping the Sun stable
3. State the
Universal Boundaries and Olbers' Paradox
We now begin a study of that part of astronomy that is most interesting but conceptually
challenging. As your textbook states, Cosmology is a mind-bendingly weird subject and you
can enjoy it for its strange ideas.
Lesson 4 Star Formations and Birth
Lesson 4 Textbook Chapter 6 (6.4 and 6.6); Chapter 7 (7.1, 7.3 and 7.4)
Explain the layout and significance of the Hertzsprung-Russell diagram
Classify stars on an H-R diagram according to luminosity cl