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Stellar Safari

Start Investigation
Investigation total duration
1.5 hours

Videos and Auxiliary Content

Videos and Slides

The Properties of Light video (2 minutes) introduces the main idea of this investigation, and why star clusters are used.

Assessment video: H-R Diagram (5 minutes without pauses) portrays a group of students discussing what they learned about stars and the H-R Diagram. Students are periodically asked to discuss and vote on the correct idea and to explain why.

The resources below are from a teacher workshop on this investigation. They include a talk video (31 minutes + 13 mins Q&A) from an astronomer familiar with this astronomical topic and the accompanying talk visuals (speaker slides).

Video: Clare Higgs, "CMDs in the Wild"

Speaker slides

Options for Extended Exploration

  1. Investigate if there is a relationship between the size of open star clusters and their ages.
  2. Compare star cluster CMDs to see if a relationship exists between the age of an open cluster and its location relative to the galactic plane.

Make Your Own Rubin Voices Trading Card

Use this activity:

  • To encourage students to imagine themselves in a STEAM career.
  • To Introduce the diversity of people and occupations involved in Observatory operations.
  • As a "get to know you" activity


Make Your Own Rubin Voices Trading Card

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