Pupils learn of multiple ways astronomers look for planets outside of the solar system. By completing a hands-on activity, scholars discover that trying to see the planets directly because of the glare from the nearby star is nearly impossible. Individuals then read about how the Keck observatory can detect possible planets.

Concepts

resolution, infrared light, telescopes, planets, stars

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Additional Tags

science

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Instructional Ideas

• Ask the class whether they are able to see a person standing next to a car at night with headlights on bright
• Research some of the recent extrasolar planets

Classroom Considerations

• Requires a room that can be made dark

Pros

• Provides definitions for vocabulary related to discovery of planets outside the solar system
• Includes links to find more information about the topic

Cons

• None