Overview: 20 Years of Exoplanets: The Search for Worlds Beyond Our Own

Overview
of Star Witness news story: 20 Years of Exoplanets: The Search for Worlds Beyond Our Own
Description:
Star Witness news story: 20 Years of Exoplanets: The Search for Worlds Beyond Our Own describes the search for planets orbiting stars other than our sun. As far back as ancient Greece, humans have wondered about the existence of other solar systems. The detection of the first planet around a sun-like star 20 years ago started a gold mine of discoveries of extrasolar planets that continues today.
Format(s) available: Printer-friendly web page; also, downloadable PDF including story and images
Grades: 5-8, but the material can be adapted for use in other grades at the teacher's discretion
How to use it in the classroom

Teachers can use Star Witness news story: 20 Years of Exoplanets: The Search for Worlds Beyond Our Own as:

A content reading selection. You can discuss the meaning of unfamiliar vocabulary with students prior to having them read the selection.

An engagement activity. You can have students read the selection and then explain how technology helped astronomers learn about the universe and discover exoplanets.

An inquiry tool.You can propose a question to students, such as "Why do you think it took so long for astronomers to find exoplanets?" Students can then read the selection and record new questions for further research or investigation.

A source of information. You can have students read the selection and participate in a class discussion by using the selection's associated "Discussion Questions."

Related materials

HubbleSite press releases related to extrasolar planets

Amazing Space: “Tales of ... The first image of a planet orbiting another star”



Overview: 20 Years of Exoplanets: The Search for Worlds Beyond Our Own