How do they work?
Use eyepiece to watch image
Lens collects light Use eyepiece to watch image
Mirror collects light
Large lens/mirror collects much light the diameter of the telescope is the important
Chapter 6: Telescopes
Portals of discovery: revolution in scopes, technology, and data collection have changed our view
of the cosmos.
6.1 Eyes and Cameras: Everyday Light Sensors
We acquire data from our senses and analyze it with our brains. Astronomy u
The Cosmic Perspective
Bennett et.al 7th ed., 2011 Pearson
Preface: note the 5 themes and Mastering Astronomy
About the Authors:
How to Succeed in the Course: note the time commitment!
Foreword: The meaning of Cosmic Perspective. Read this!
PART I DEVELOP
Chapter 9: Planetary Geology
Earth and Other Terrestrial Worlds
Why are the terrestrial worlds so different? The properties at birth determine the processes that shape
inner worlds differences.
9.1 Connecting Planetary Interiors and Surfaces
Earth has cha
Chapter 3: The Science of Astronomy How did modern astronomy develop?
3.1 The Ancient Roots of Astronomy
In what ways do all humans use scientific thinking?
Observations produce guesses. Guesses (hypotheses) are then tested against nature. Science is a
Chapter 5: Light and Matter
Reading Messages from the Cosmos: Light carries information about distant matter. It can tell us what
objects are made of, their temperature, their mass, their motions, and more. Telescopes gather light so
we can analyze it. Ho
PART II: KEY CONCEPTS IN ASTRONOMY (ch 4-6)
Chapter 4: Making Sense of the Universe
Laws and Interactions of Matter, Motion & Energy, plus Gravity. Understanding the universe from atoms
to galaxies is based on how matter and energy interact. (physics) Onl
PART III: LEARNING FROM OTHER WORLDS (ch 7-13)
Chapter 7: Our Planetary System
7.1 Studying the Solar System: Comparative Planetology: focuses on process
1) patterns: insights to SS formation,
2) insights for Earths physical processes,
3) applications to
Chapter 2: Discovering the Universe for Yourself
An exciting time in the history of astronomy. What you can see in the night sky. Quite a history!
2.1 Patterns in the Night Sky
It took a long time to learn our place in the cosmos.
What Does the Universe L
By the way, what phase of the Moon is this?
What phase is this?
A lunar eclipse:
the shadow of Earth falls on the Moon (may occur at full moon - not every time) Same eclipse for everyone on Earth: once a year on average