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Astronomy 1021 Study Guide - Comprehensive Final Exam Guide - Sun, Solar System, Orbit


Department
Astronomy
Course Code
ASTR 1021
Professor
Robert Cockcroft
Study Guide
Final

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Astronomy 1021

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9/11/2018
Important info:
- Zodiacal light: leftover material from when our planets formed
- Planets do not twinkle (ray of light that is like a disc)
- Know simple squares and inverse square law
- Symbols for equations
- Office hours: tues 4-5
- Three different projects (cronyn, stellarium, zooniverse)
- At least one cronyn projects and pick and choose the different projects
- Total of 10 projects
Cronyn Projects
- 11 sep - 4 oct every mon- thurs (8:00- 10:30)
- Visual observations of :
- Moon
- Saturn
- Andromeda galaxy
- Planetary nebula
- Global cluster
- Binary star system
- Steps:
- All you need is pen and pencil and student id
- sign in with TA
- Given worksheet to make notes of what you're looking at
- Complete OWL quiz
- Must complete 1 project, but 6 are available (worth 3%)
- Must sign in with TA and complete OWL quiz
- Twitter account that TA’s will give you weather updates
- EVERYTHING DETAILED ON OWL
Mastering Astronomy
- Every two weeks
- Online
- Course ID: cockcroft16423
- www.pearson.com/mastering
Star:
- A spherical object that generates energy through nuclear fusion
- Sun is closest star
- Next closest is Proxima Centauri
Planet:
- a spherical object that orbits a star; dominates its orbit; reflects light; rock, ice, gas
- 8 in our solar system
- 3 definitions
Moon:
- An object that orbits planet
- Moon (our moon) vs moon (everyone else)
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9/11/2018
Solar System:
- the region around a star that includes planets, moons, other small bodies
- May contain multiple stars
- Contains multiple planets and other small bodies
Galaxy:
- Very big collection of stars and solar systems, gas, dust, and dark matter
Nebula:
- Latin for cloud
- 4 main types
- huge interstellar clouds of gas and dust; four main varieties
Universe:
- The entirety of everything we know of; time space and all its contents
- We don't know or will ever know anything outside of it
- Is it infinite of finite
- Hubble deep field image showed lots of blobs, those are thousands of galaxies
Different scales:
- Solar systems (contain planets)
- Galaxy (contains solar systems, nebula)
- Universe (contains galaxies)
Scientific notation:
- We quantify big distance using notations
-
Longhand number
SN
Prefix
1
1 x 100
-
10
1 x 101
deca
100
1 x 102
hecto
1 000
1 x 103
kilo
1 000 000
1 x 106
mega
1 000 000 000
1 x 109
giga
1 000 000 000 000
1 x 1012
tera
1 000 000 000 000 000
1 x 1015
peta
-
Longhand number
SN
Prefix
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find more resources at oneclass.com
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