Observations by NASA's Wide-field Infrared Survey Explorer, or WISE, show there are significantly fewer near-Earth asteroids in the mid-size range than previously thought.
Thousands of objects, including comets and asteroids, are zooming around our solar system; some could be on a collision course with Earth. This video explores how these Near Earth Objects are being tracked and what scientists are saying should be done to prevent a deadly impact.
Students investigate the impact of asteroids in this hands-on lesson. The lesson includes an answer key.
To stimulate the critical thinking skills required to assess the validity of statements about the key concept using an Agree/Disagree Table.
To stress understanding of a concept by summarizing the main idea and applying that understanding to create visual aids and generate questions and comments using a Concept Matrix.
Connect your daily life experiences with specific points in a reading using a Double Entry Diary.
Students will explore the potential frequency and danger of asteroids hitting the Earth as well as other planets in the solar system.
There are three categories of actions that humans could take to keep an asteroid from hitting Earth. None is very practical.
This study guide summarizes the key points of Exoplanets, Asteroids, Comets, Meteors, and Dwarf Planets. You can download and customize it to suit your needs and study habits.