The Universe 8.8A. The Universe The universe is all space and everything in it.
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Transcript of The universe
![Page 1: The universe](https://reader035.fdocuments.us/reader035/viewer/2022062709/55902e871a28abce508b45ef/html5/thumbnails/1.jpg)
The Universe6th Grade Science
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I. What is it?
A. Empty SpaceNothing
B. Energy8th Grade
C. Dark Energy(Expansion force)
D. Matter7th Grade
E. Dark Matter(unseen matter)
![Page 3: The universe](https://reader035.fdocuments.us/reader035/viewer/2022062709/55902e871a28abce508b45ef/html5/thumbnails/3.jpg)
II. Big Bang
A. Universe is expand1. Hubble’s Law
i. Farther away then the faster it is moving
2. Cosmic Radiationi. Energy glow from all over the universe (from large explosion)
![Page 4: The universe](https://reader035.fdocuments.us/reader035/viewer/2022062709/55902e871a28abce508b45ef/html5/thumbnails/4.jpg)
II. Big Bang
B. Find starting position and time.1. Microscopic point in space (smaller than atom)2. 13.7 billion years ago
C. No sound in space (was meant as a joke)
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III. SizeA. Scientific Notation
1. 1,200 = 1.2 x 103
2. 9,500,000,000,000,000 = 9.5 x 1015
B. Distances1. Diameter Earth 1.3 x 107 m2. Diameter Sun 1.4 x 109 m3. Diameter Andromeda 2 x 1021 m4. Known Universe 1 x 1026 m
100,000,000,000,000,000,000,000,000 m
C. Light Year1. Distance light travels in one year2. Speed of light is 300,000 km/second
![Page 6: The universe](https://reader035.fdocuments.us/reader035/viewer/2022062709/55902e871a28abce508b45ef/html5/thumbnails/6.jpg)
IV. Galaxies
A. Huge cluster of stars, dust, and gasB. Held together by gravityC. Number (125 billion)D. Types
1. Spiral2. Elliptical3. Irregular4. Quasars
i. Very distantii. Very brightiii. New Galaxy
![Page 7: The universe](https://reader035.fdocuments.us/reader035/viewer/2022062709/55902e871a28abce508b45ef/html5/thumbnails/7.jpg)
IV. Galaxies
E. Milky Way1. 25,000 light years to center
F. Biggest (IC1101 = 60 x our)G. Farthest (1689-2D1 13 billion LY)
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V. Future
A. Expand Forever1. End cold and dark2. Dark Energy – Increasing speed every day
B. Big Crunch1. Return to original point in space2. Dark Matter - 90% of matter can not be seen
i. Stars in galaxies should be flying away but don’t