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Astronomy 100 Alice Enevoldsen
Powers of Ten: FAR: 1PVZok 1PVZok A Glorious Dawn:
Moon 1 ¼ light seconds 30 Earth diameters 240,000 miles 380,000 kilometers
Sun 8 light minutes 93 million miles 1 Astronomical Unit
Inner Solar System
Outer Solar System
Alpha Centauri 300,000 AU ?!
One Light Year Distance light travels in a year 64,000 AU 1000 solar system diameters 9.5 trillion kilometers
Alpha Centauri 4 Light Years
Milky Way Wally Pacholka
Milky Way Starfield
Hubble Deep Field
Astronomic Distances. Solar system- planets and other objects like comets and asteroids that travel around the sun Background.
Light Years Away.. Questions 1-10 (1 point each) Question 11 (2 points) Total Points (12 Points)
Measuring the Very Large. For distance that is. The Kilometer What exactly *is* a kilometer? 1000 meters We walk at about 5 km/hr, or
OUR COSMIC ADDRESS Each of us has an address. Ours is: The Denver Museum of Nature and Science 2001 Colorado Blvd. Denver, Colorado But what.
Astronomy Astronomy = study of celestial objects and phenomena outside Earth’s atmosphere Includes galaxies, stars, planets, moons, cosmic radiation, etc.
The Metric System - BIG Okay, so you have gotten a look at the metric world of the small and very small, but now it is time to look at the metric world.
Distances in our Universe The universe is so large that we must use special units of measurement. Kilometers and miles just won’t cut it.
What is a LIGHT YEAR? The Universe within 500 million light years of Earth (in the center)
Distances in Space. Astronomical Unit (AU) The average distance between the sun and the earth.
The EARTH is 93 Million Miles from the SUN.. Distances in our Solar System are measured in ASTRONOMICAL UNITS (AU).
DISTANCES IN SPACE or “Are we there yet?” Miles Feet Inches Kilometers Meters Centimeters Diameter of Earth using common units of length 7, ,849,280.
Space Space is HUGE! Distances in Space Astronomical Units Light Years The vast number of stars Space facts Voyager 1 Space travel.
Horizons PowerPoint Presentations by Markus Böttcher Michael A. Seeds Brooks/Cole – Thomson Learning 9 th Edition.
U2: Astronomy - Measuring Space Distances FLIP LESSON.
© 2014 Pearson Education, Inc. Light-year and AU A light-year is the distance light can travel in 1 year. It is not a measure of time. It is used to measure.
The TWO-INCH Universe A powerful set of analogies to examine size and distance in astronomy Source: smithsonianeducation.org.
Here and Now Chapter 1. Where are You? To find our place among the stars, we will zoom out from a familiar scene, to the largest scales in the universe.
1 A walk through the Universe Space is big. You just wont believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think its a long way down.
Review of the Scale Problems Scale problems are problems of the style that ask how big or small would something be if all objects were scaled up or down.
RESOURCES & ENVIRONMENT CH. 1. PLANET EARTH ORIGIN OF THE UNIVERSE Universe? Star + Planets + Satellites + Comets + (Asteroids) + Meteorites + Dusts.
Here and Now Chapter 1. As you study astronomy, you will learn about yourself. You are a planet walker, and this chapter will give you a preview of what.
Space is really big! How do scientists measure distances in space?
What do the following have in common?. Why Bother??? Exciting subject filled with new discoveries! Affects our every day lives! Mind blowing ideas that.
Objectives: Learn what units scientists measure distances in space. Define and use an astronomical unit to measure distances in space. Define and use a.
How Far is Far?. Average of 238,000 Miles Earth to Moon Distance.
Light Years Away ….. Distances to Common Celestial Bodies.
Just how big is big? To do this, we need to make a model.
A Quick Tour The distance between Baltimore and Washington is roughly 60 km. Let’s make a new unit of measurement called a BW where, 1 BW = distance between.
The Scale of the Cosmos Chapter 1. How can we study something so big it includes everything, even us? The cosmos, or the universe as it is more commonly.
How many light years old are you?. So If light years aren’t a measurement of time, then what do they measure?
Distances in Space. Interplanetary Distances Compared to how far away the stars are, separation of the planets is a relatively small distance. Examples:
Just how big is big? To do this, we need to make a model. Start with the Solar System. We’ll let one inch equal 1,000,000 miles.
A Sense of Scale Making Sense of the Universe. Some Numbers To Consider Diameter of the earth: 12,800 km Diameter of the moon: 3500 km Earth-Moon Distance:
Size and Scale Sizes and distances in astronomy are extremely large… in fact beyond comprehension Scientists (and the world) use the metric system Units.
"Space … is big. Really big. You just won't believe how vastly hugely mind bogglingly big it is. I mean you may think it's a long way down the road to.
Topic: Light Years Essential Question: How do scientists use light years to measure distances in our universe?
Our Universe in Space (intro survey). Our solar system’s scale Convenient distance unit for the solar system: the AU The astronomical unit (AU) is the.
INTRODUCTION TO ASTRONOMY Overview FRONTIERS IN ASTRONOMY PHYS 271.
Note that the following lectures include animations and PowerPoint effects such as fly-ins and transitions that require you to be in PowerPoint's Slide.
How many centimeters are there in one kilometer? , , , QUESTION.
Scales of Size and Time Astronomy deals with objects on a vast range of size scales and time scales. Most of these size and time scales are way beyond.
Measuring Distances in Space Astronomical Units, Light Years, Parsecs.
Objective 1 Compare the size and distance of objects within systems in the universe. Use the speed of light as a measuring standard to describe the.
1._____began from a nebula that was disturbed (big bang) 2._____observed the phases of Venus (astronomers) 3._____theory of the sun centered view of the.
Astronomy 201: Cosmology Prof. Jill Bechtold Graduate TA: Ken Wong Pick up hard copy of syllabus Pick up HW #1
What are We? How Do We Know? Chapter 1. As you study astronomy, you will learn about yourself. You are a planet walker, and you should understand what.
The Sun The sun is a medium size star It appears larger than the other stars because of its relative nearness to the earth It consists of about.
1 Our Place in Our Galaxy. 2 What’s the Difference? Universe Galaxy Image credits: NASA, STScI Solar System.
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