Exploring the Big Bang Theory: Astronomical Evidence and Scientific Inquiry
Discover the origins of the Big Bang Theory through astronomical evidence such as light spectra and the motion of distant galaxies, tracing back to Edwin Hubble's groundbreaking observations in 1929. Explore how scientists developed hypotheses, collected data, and constructed the theory to understand the universe's beginning and expansion, leading to its acceptance today.
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Presentation Transcript
The Building of A Theory Construct an explanation of the Big Bang Theory based on astronomical evidence of light spectra, motion of distant galaxies and composition of matter in the universe
Observations What observations were made in 1929 by Edwin Hubble that changed the way scientists saw an unchanging universe?
Questions What question(s) did scientists have about the new view of our universe in motion?
Research Was Edwin Hubble right? How did he know that the galaxies were receding (moving away)? What evidence did he have? Who else predicted that the universe was expanding? What was the evidence for that?
Hypothesis What hypothesis did scientists have about the universe and how it began? A hypothesis is specific but not too developed until experiments have given enough proof and understanding
Experiment/Data Collection What data did scientists collect to further their hypothesis and construct a better picture of their idea? What predictions were made that needed to be looked for? How did they look for the evidence?
Analysis What types of mathematical or graphical models are used to show the connection between variables?
Hypothesis to Theory Explain the entire Big Bang Theory, from singularity to today. The theory should now explain what, when and some of how.
What is Next? Identify some flaws with the Big Bang Theory. New evidence that suggests there is more out there than we can see or limitations of the theory. What experiments are being done to continue to understand the earliest time in our universe?
