Our Solar System
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Astronomy 1102/1104: Our Solar System
Lecture #1: Course Introduction
Professors Joseph Burns and Philip Nicholson
Course goals-why take Astro 1102/1104?
Our philosophy and a promise
Rules of the road:
Saturn seen by Cassini Imaging
Lecture #4: Earth, Moon, & Sky
The Reasons for the Seasons:
Role of obliquity.
Why your latitude matters.
Length of the day: Solar vs. Sidereal.
Solar Time-many different kinds!
Ancient to mod
After Almost Four Decades: A Moon Rover
Earth and Moon
The Chinese National Space
Agencys Change 3 lander and
rover landed on the Moon Dec. 14,
Image credit CNSA,
Image credit: The Associated
The Sky and Historical Astronomy
General Survey of the Sky.
Coordinates: Getting your bearings.
Earth's spin and orbital motion.
Constellations & Astrology vs. Astronomy.
Lecture #8: Motions and Gravity
How do we use motions to understand
the solar system?
Local Gravitational Acceleration
Circular (Orbital) Velocity
Lecture #6: Radiation and Spectra I
The Main Point
Making Measurements of the Solar System:
The Nature of Light.
Properties of Electromagnetic Radiation.
Measuring the light from objects in
the Solar System (and beyond)
provides most of our information
The Main Point
Lecture #9: Astronomical Instruments
Astronomers rely on instruments to
collect and focus light from distant
objects. They are constantly trying to
maximize the resolution and
sensitivity of their observations, but
there are fundamental lim
Lecture #7: Radiation and Spectra II
How is light absorbed and emitted?
The Main Point
Models of Atomic Structure.
Formation of Spectral Lines.
Astronomers use spectroscopy, the
study of the interaction of light and
matter, to determine what planetary
Homework 5: Planet Formation and Exoplanet Detection
Due in section in the week of Mar 10th
1. (4 points) Exoplanet detection via radial velocity
This plot shows the periodic wobbles of a star caused by a pla
Problem Set 6: Due in section the week of March 17th
1. (2 Points) Footprints on the Moon (Adapted from Bennett, Donahue, Schneider, and Voit)
It has been estimated that about 25 million micrometeorites
Oce Hours for ASTRO 1102/1104
Monday Tuesday Wednesday Thursday Friday
Zhimeng Zhang (ZZ)
Professor Joseph Burns
Professor Phil Nicholson
Space Sciences Oce Phone Number Email (@cornell.edu)
ASTRONOMY 1102/1104 The Cosmic Perspective (6th Edition) C. Bennett et al.
All dates, even exams, on the schedule below may change. Updates will be posted as appropriate.
Homework 1: Math and Motions
Due in section in the week of Feb 3rd.
Collaboration policy for this and all future homework:
The purpose of the homework is to help you learn the material (which will be useful i
Homework 3 due in section week of 2/24
-1. [5pts] Radiation and Doppler shift
a) Rank the Doppler shift of the light which observed by Bob from the stars (A -E) from
Homework 2 due in section week of 2/10
Useful Constants and Equations
Wiens Displacement Law
1. [4pts] Lunar Phases
1a. [1pt] Rank (from greatest to least) the amoun
Lecture #11: Solar System Survey I
Cassini: A Planetary Exploration Mission
Categorizing the Planets
Planetary Surfaces and Interiors
Density and Interior Composition, Structure
Planetary Surface Processes