Chapter 1
Astronomy 191 with Hawley at University of Kansas
About this deck
By: sara tesler
Textbook:
Discovering Astronomy
Lecture Tutorials for Introductory Astronomy (2nd Edition)
Created: 2010-09-13
Size: 29 flashcards
Views: 45
Textbook:
Discovering Astronomy Lecture Tutorials for Introductory Astronomy (2nd Edition)Created: 2010-09-13
Size: 29 flashcards
Views: 45
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Star
Large, glowing ball of gasGenerates energy through nuclear fusion in its core.
Local Group
40 galaxies inside the Milky Way Galaxy
Cosmos
Another name for Universe
Andromeda Galaxy
Nearest large spiral galaxy to the Milky Way
Nonscience
Any way of searching for knowledge that makes no claim to follow the scientific method
Light-Year
The distance light can travel in 1 year9.46 trillion km.
Standard Time
Time measured according to the internationally recognized time zones
Standard model
Current theoretical model that describes the fundamental particles and forces of nature
Observable Universe
Part of the universe that can be seen from earth
Scientific Theory
A model of some aspect of nature that has been rigorously tested and passed all tests
Astronomical Unit (AU)
The average distance (semimajor axis) of the Earth from the Sun~150 million km
Milky Way
The name of our galaxy ANDThe band of light we see in the sky when we look into the plane of the Milky Way Galaxy
Planet
1. Large object that orbits a star2. Massive enough for its own gravity to make it round3. Has cleared the orbit
Satellite
Any object orbiting another object
Small Magellanic Cloud
One of two small, irregular galaxies150,000 light-years awayProbably orbits the Milky Way Galaxy
Scientific Method
An organized approach to explaining observed facts through science
Supercluster
Many clusters of galaxies, groups of galaxies, and individual galaxies Largest known structures in the universe
Local Solar Neighborhood
A part of the Milky Way Galaxy that is close to our Sun
Revolution
The orbital motion of one object around another
Rotation
The spinning of an object around its axis
Paradox
A situation that (at first) seems to contradict itself.Resolving Paradoxes leads to deeper understanding
Science
The search for knowledge that can be used to explain or predict natural phenomena in a way that can be confirmed by rigorous observations or experiments
Solar System (or star system)
Consists of a star (sometimes more) and all the objects that orbit it
Universe
The sum total of all matter and energy
Pseudoscience
Something that appears to be scientific but does not adhere to the testing and verification requirements of the scientific method
Paradigm
(in science) Refers to general patterns of though that tend to shape scientific beliefs during a particular time period.
Local Supercluster
The supercluster of galaxies to which the Local Group belongs to.
Big Bang
The birth of the universe14 billion years ago
Nuclear fusion
process of light weight
About this deck
By: sara tesler
Textbook: Discovering Astronomy
Lecture Tutorials for Introductory Astronomy (2nd Edition)
Created: 2010-09-13
Size: 29 flashcards
Views: 45
Textbook:
Discovering Astronomy Lecture Tutorials for Introductory Astronomy (2nd Edition)Created: 2010-09-13
Size: 29 flashcards
Views: 45
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have been getting MUCH better grades on all my tests for school. Flash cards, notes, and quizzes are great on here. Thanks!”
Kathy
Kathy