# Distance Between Stars

## Explains how parallax is used to measure distances to objects a few hundred light years from Earth, but brightness is used for objects at greater distances.

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## Distance Between Stars

How to use parallax to measure distances to stars.
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## The Hertzsprung-Russell Diagram

Describes the Hertzsprung-Russell diagram.
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## Target 1.05 Distance Between Stars

How to use parallax to measure distances to stars.
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## Tareget 1.03 Enrichment- The Hertzsprung-Russell Diagram

Describes the Hertzsprung-Russell diagram.
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## Distance Between Stars

How to use parallax to measure distances to stars.
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## Measuring Astronomical Distances

How to use parallax to measure distances to stars.
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## The Hertzsprung-Russell Diagram (H-R)

Describes the Hertzsprung-Russell diagram.
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• Video

## Scale of Distance to Closest Stars

This video shows how to use parallax to find far distances between stars, and planets and stars.
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• Video

## Astrophysics - HR Diagram

A description of a Hertzsprung-Russell diagram, the information it contains, and how to read it.
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• Lesson Plan

## The Future of the Milky Way Lesson Plan

Students research collisions of galaxies, changes in stars, and black holes then discuss the future of the Milky Way given their research. The lesson includes background information, activity, vocabulary, and assessment.
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• Critical Thinking

## Distance Between Stars Discussion Questions

A list of student-submitted discussion questions for Distance Between Stars.
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• Real World Application

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• Study Guide