Astronomical spectroscopy Doppler Effect & Red/Blue Shift ...haneysci.weebly.com/uploads/5/0/5/2/50521709/big_bang_2014.pdf · ll. Doppler Effect - The change in frequency of a wave

• Astronomical spectroscopy• Doppler Effect & Red/Blue Shift• Hubble’s Law• Big Bang Observation & Models

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&docid=Pi5WEM-OqpcMJM&tbnid=UJABtZ38PI3xVM:&ved=0CAUQjRw&url=http%3A%2F%2Fjtgnew.sjrdesign.net%2Fexploration_observe_spectroscopy.html&ei=PUx9U62aFcmqyATpxYLwBw&bvm=bv.67229260,d.aWw&psig=AFQjCNHmfj-sX71RI57w0aTGVjjtYd4LGg&ust=1400806808809956

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&docid=Pi5WEM-OqpcMJM&tbnid=UJABtZ38PI3xVM:&ved=0CAUQjRw&url=http%3A%2F%2Fjtgnew.sjrdesign.net%2Fexploration_observe_spectroscopy.html&ei=PUx9U62aFcmqyATpxYLwBw&bvm=bv.67229260,d.aWw&psig=AFQjCNHmfj-sX71RI57w0aTGVjjtYd4LGg&ust=1400806808809956

http://upload.wikimedia.org/wikipedia/commons/a/af/Spectral_lines_emission.png

http://upload.wikimedia.org/wikipedia/commons/a/af/Spectral_lines_emission.png

http://upload.wikimedia.org/wikipedia/commons/b/b8/Spectral_lines_absorption.png

http://upload.wikimedia.org/wikipedia/commons/b/b8/Spectral_lines_absorption.png

Which direction is

the car moving?

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&docid=ywhU3HGkla963M&tbnid=orxgFlaqzN1Z3M:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.ck12.org%2Fbook%2FCK-12-Physical-Science-Concepts-For-Middle-School%2Fr19%2Fsection%2F5.36%2F&ei=rk19U4iyPMuxyATqvoHIAg&bvm=bv.67229260,d.aWw&psig=AFQjCNGVYKGuXIAAjjJPs3-IAm0QyYPvQA&ust=1400807137171825

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http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&docid=fy4JquiivgwhKM&tbnid=ivxoM4_GXesx4M:&ved=0CAUQjRw&url=http%3A%2F%2Fcoolcosmos.ipac.caltech.edu%2Fcosmic_classroom%2Fcosmic_reference%2Fredshift.html&ei=RFV9U_TmK4StyATx2oLoDA&bvm=bv.67229260,d.aWw&psig=AFQjCNHOhMM_hoyY74F4ljRz5uJnhPPfsQ&ust=1400809069557572

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&docid=fy4JquiivgwhKM&tbnid=ivxoM4_GXesx4M:&ved=0CAUQjRw&url=http%3A%2F%2Fcoolcosmos.ipac.caltech.edu%2Fcosmic_classroom%2Fcosmic_reference%2Fredshift.html&ei=RFV9U_TmK4StyATx2oLoDA&bvm=bv.67229260,d.aWw&psig=AFQjCNHOhMM_hoyY74F4ljRz5uJnhPPfsQ&ust=1400809069557572

Discovered by Edwin Hubble!

First evidence of Expansion of Space!

Theory?

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&docid=BApacbSwfbyWdM&tbnid=oavpl0uZu_K5VM:&ved=0CAUQjRw&url=http%3A%2F%2Fchandlerdriggs.com%2F&ei=v119U4KnHo-LyASCjYGoAQ&psig=AFQjCNH-xk6XQiL1Z1DA0hMLeVvjNe3cBg&ust=1400811320020372




Observational Evidence

Hubble’s Law, Red Shift, Expanding Universe

Cosmic Background Radiation

Abundance & Ratios of Elements

Oldest stars identified

Particle Colliders

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&docid=futqG9eyYoegxM&tbnid=zwm48m-mGrYD6M:&ved=0CAUQjRw&url=http%3A%2F%2Fimagine.gsfc.nasa.gov%2Fdocs%2Fscience%2Fknow_l1%2Femspectrum.html&ei=mlx9U5vBIcaoyATvjoG4Cw&psig=AFQjCNEuVj3KD0NMhABANwA-mupTbfcV9Q&ust=1400811005364523

http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&docid=futqG9eyYoegxM&tbnid=zwm48m-mGrYD6M:&ved=0CAUQjRw&url=http%3A%2F%2Fimagine.gsfc.nasa.gov%2Fdocs%2Fscience%2Fknow_l1%2Femspectrum.html&ei=mlx9U5vBIcaoyATvjoG4Cw&psig=AFQjCNEuVj3KD0NMhABANwA-mupTbfcV9Q&ust=1400811005364523

Microwave radiation left over after the big bang.

Originally high energy Gamma rays that have long since lost energy (wavelengths have increased).

Fills all of space

The universe

Inflated or grew 10^25 meters

Documents

Astronomical spectroscopy Doppler Effect & Red/Blue Shift ...haneysci.weebly.com/uploads/5/0/5/2/50521709/big_bang_2014.pdf · ll. Doppler Effect - The change in frequency of a wave