What Tells Us That There Was a Big Bang?

Streaming Live from the Strasenburgh Planetarium.

Review the three pillars of evidence that our universe is emerging from a Big Bang 13.8 billion years ago: redshifts of galaxies, the cosmic microwave background, and the ratio of helium to hydrogen in the universe.

Maximum capacity: One class

Format options:

• The teacher moderates a Zoom or Google session, with RMSC as an alternative host or guest speaker
• Telephone conference call: the teacher downloads RMSC’s PowerPoint presentation in advance and shows it during our call

For content questions, contact Steve Fentress at sfentress@rmsc.org.

Subjects: Physical Sciences
Program Type: Virtual Lesson
NYS Standards:

• HS-ESS1-2. 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.

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