Names of the Phases
rs): quarter - Mccn visible in late
hgibbous - Gets fuller" each day.
I third (er last) quarter waning
- Mecn 1ilisilz-le in late nighlf
I crescent - Gets less each day.
Dr. Carmen M. Ugarte
An interactive complexity of communities and their abiotic
An interactive complexity of co
SCIENCE AND THE
Dr. Carmen M. Ugarte
The natural world
Human societies and
The study of how the
CHLH 274 Problem Set 2
Please complete all sections of this assignment and submit via the digital dropbox on Compass and
as a hard copy in class on Thursday, 11/12/15 by 9:30am.
For calculations, you must show all of your work to receive full credit.
Week 2- assignment 1
Chapter 1 Questions
Explain the statement that epidemiology is interdisciplinary.
By definition the term interdisciplinary refers to two or more academic, scientific,
or artistic disciplines as highlighted in Merria
Chapter 9: Eating Disorders (pgs., 265-274;
Describe the symptoms and main features of
anorexia nervosa, bulimia nervosa, and
binge eating disorder.
Anorexia Nervosa: A disorder marked by the
pursuit of extreme thinness and by extreme
Exam 3 Review Fall 2014
Topic: Medical Ethics and Disasters
Good Ethical decisions must respect the values of whom?
Robert Donnell believes that doctors must apply moral absolutes and therefore they must never
Source _ Movie Book Episode
Ethics and the Media Project Directions/Rubric
Choose one of the following options and complete each category in the rubric.
o Option 1: Watch a movie that involves a medical ethics dilemma.
o Option 2: Read a
The Ashley Treatment Assignment Directions/Rubric
Full Points Description
You are a medical doctor who was asked by parents of a
patient similar to Ashley if they should go through with the
Rubric for Results
- 50 pts 2-3pgs
- At least one table in APA format -10pts
- Headings- 5 points
What to do [Discussion Section]
Talk briefly about the result that you expected.
Talk about your results- what YOU found
Talk about some struggles that you
What are constellations?
groups of stars that form patterns or figures in the sky
Orion constellation translates to hunter
modern constellations are regions of the sky
88 official constellations
divide the sky up into regions
What causes the seasons?
How are season different around the world?
Earths Orbit produces an apparent annual motion on the sun
the earth is orbiting the sun: one full circuit is one year
if we view from earth, the sun appears to
1. What day is it when the Suns highest point is 16.5 degrees south of the Zenith?
a. Summer Solstice
2. Results in the appearance of stars rising in the East and Setting in the west
a. Rotation of Earth
3. Full, New, 1st Quarter, 3nd Quarter, Gibbous
White dwarfs are the corpses of sun-like stars
o Super hot
o Size of the earth
o Very dense
o Held up by electron degeneracy pressure which is when electrons run
out of room to move around nuclei; forces them into lowest energy
quantum states, halts grav
o Flares not big enough to be seen from earth
Gas fom the solar atmosphere flows away from the Sun the solar wind
Blows past Earth at 300 to 800 km/s
Largely from sparse regions of the corona called coronal holes
The active sun
o Periodic disr
o Mizar in the big dipper is a binary star system
o Kelpers 3rd law for determining the masses of the stars
Formula in slides
Binary stars orbit a common center of mass
The massive star is closer to the center of mass and
travels in a smaller orbit
There are 88 official constellations that divide the sky into regions
o 50 are ancient (mostly from the greeks)
o 38 are modern (which fill in areas with no bright stars
Asterism: Commonly recognized pattern of stars, but not a constellation
Sun is never high in the sky
Midnight sun (sun doesnt set)
About 30 Earth diameters away
About 1/4th the diameter of the Earth
Orbits the Earth once in a little under a month
Phases of the mo
All main sequence stars fuse hydrogen into helium in their cores
Main sequence life time is inversely related to mass.
Every red dwarf ever formed is still on the main sequence
The stars core contracts while the outher layer expands, called a red dwarf
As viewed from Champaign stars rise at an angle to the horizon, up and south
Angle between the north celestial pole and the horizon is your latitude
At the poles, stars travel parallel to the horizon
At the equator, stars rise straight up from th
o Surface temp
Red, orange, yellow, white, blue
Color comes from blackbody radiation
Lower surface temperature means a redder star
Higher surface temperature means a bluer star
Different stars have diffe
Astron- star, nomos- a system of laws.
Astronomy is the study of the physical nature of celestial objects. (Study of the
See where you are and understand how we got here
Everything on earth was made from the deaths of massive stars
o Approaching objects sound higher and receding objects sound lower
o For Light redshift means motion away from the observer, blueshift
means motion towards the observer.
o Doppler shifts are determined by measuring shfi
Motion of the planets
o Copernican revolution shifted from the geocentric model to the
o Birth of modern science
o Planets is greeks for wanderer
o Ancient peoples saw five bright objects in the sky and named them
Mercury, Venus, Mars,
Four hydrogen atoms fuse into two helium atoms
o Downward force of gravity is balanced by the upward force of gas
o The rate of energy production in the core equals the rate energy
Galileos telescope was based off of one in the Netherlands
His discovery supported Copernicus
o Observed craters and mountains on the moon
o Observed suns rotation
o Observed Jupiters moon
o Observed the Milky Way
o Venus exhibited phase li
ASTR 122 Stars and Galaxies Fall 2016 Discussion Section: Week 3
Discussion for Week 3 (Sep 5-8)
Lecture 4 Motions of the Planets
Learning materials for this weeks lectures:
Chapters 4.1-4.4 of the textbook.
Preflight 4 and Lecture Notes