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195196 Counting Galaxies 3/2/15 Starter: Practice : Fill in chart Application/ Exit Connection: A B C D C How many objects are there in 1 section? _____.

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Presentation on theme: "195196 Counting Galaxies 3/2/15 Starter: Practice : Fill in chart Application/ Exit Connection: A B C D C How many objects are there in 1 section? _____."— Presentation transcript:

1 195196 Counting Galaxies 3/2/15 Starter: Practice : Fill in chart Application/ Exit Connection: A B C D C How many objects are there in 1 section? _____ X 8 =_____ ______ X 90 million= _________ __________X 1 trillion= # of stars Based on the information you gathered from the lab and your notes, which type of galaxy is found most in the universe and why? 3/2/15 Counting Galaxies How is an elliptical galaxy different from a barred spiral and what can you find in each? SpiralIrregularElliptical

2 March 2, 2015 AGENDA Objective 8.8A Describe components of the universe, including stars, nebulae, and galaxies, and use models such as the Herztsprung- Russell diagram for classification by reading and writing while taking notes and identifying activity. 1. Starter 2. Notes 3. Activity 4. Exit

3 DateLecture/ Activity/ Lab Page Table of Contents 2/20 Formation of the Universe 185-186 2/23 Big Bang Lab 187-188 2/24 Lives of Stars 189-190 2/25 Characteristics of Stars 191-192 2/27 Galaxies 193-194 3/2 Counting Galaxies 195-196

4 Practice Write the letter of each type of galaxy under the correct heading in the chart. SpiralIrregularElliptical B C E F A G H L D I J K

5 1.Using your ruler and pencil, divide the Hubble Deep Field image into 8 equal sections. 2.Count how many objects there are in one section.

6 3. Multiply that number by 8 to estimate how many objects are in the whole picture. 4. It would take 90 million images of the area to cover the entire sky. Multiply your number from step 3 by 90 million to arrive at an estimate of the number of objects in the universe.

7 195196 Counting Galaxies 3/2/15 Starter: Practice : Fill in chart Application/ Exit Connection: A B C D C How many objects are there in 1 section? _____ X 8 =_____ ______ X 90 million= _________ __________X 1 trillion= # of stars Based on the information you gathered from the lab and your notes, which type of galaxy is found most in the universe and why? 3/2/15 Counting Galaxies How is an elliptical galaxy different from a barred spiral and what can you find in each? SpiralIrregularElliptical

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