How Do We Know the Universe Is Expanding? | NOVA Universe Revealed: Big Bang

PBS Learning Media
Contributed By
PBS Learning Media
Resource Type
Classroom Material
Keywords
WGBH GBH NOVA NOVA Universe Revealed universe cosmology expansion acceleration redshift type 1a supernova standard candle big bang supernovas expanding universe red shift Doppler effect measuring brightness standard candle candlepower candle power distance in space
Subjects
Science
Grade Levels
Grade 9 Grade 10 Grade 11 Grade 12
Audience
Classroom Teacher / Educator
Related Resources

How Do We Know the Universe Is Expanding? | NOVA Universe Revealed: Big Bang

Learn how supernovae can be used to measure distances in space and explore how the universe is expanding at an accelerating rate, with this video excerpt from NOVA Universe Revealed: Big Bang. Use this resource to provide opportunities to explore models of the expanding universe and make claims about observations of redshift.
Publisher
PBS Learning Media

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