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Imagine what life could look like on alien worlds! Life on Earth comes in an amazing variety of forms. Scientists…

Students explore terrestrial planets in a Goldilocks or habitable zone. Through information and worksheets and atmospheric data. Download Activity (PDF):…
In this problem students use the mathematical constant pi to find the “habitable zone” around a distant star, TRAPPIST-1, and determine…

This series of visualizations shows how some of Earth's key climate indicators are changing over time (sea ice, sea level,…
Planets that orbit around other stars are called exoplanets. Exoplanets are very hard to see directly with telescopes. So how…

These activities introduce the interstellar medium (ISM) using real astronomical observations from space missions and ground-based telescopes. Students will learn…

Word Find: Find the term in the puzzle that fits each clue given below. Then write the term on the…

Students build models to investigate where the Earth & moon are in relation to each other during annular and total…

This activity introduces the life cycle of stars and how the evolution of a star depends on its initial mass.…

This activity introduces participants to the stages in the life cycles of massive, intermediate-mass, and low-mass stars to learn how…

The universe’s stars range in brightness, size, color, and behavior. Some types described in this article are main sequence stars,…

This video shows a kinesthetic activity that models the life cycle of a large star.

This video shows a simple kinesthetic activity that models the life cycle of a small star with a mass similar…

Article describes how researchers are using a model to map the environments of other Sun-like stars at various life stages…

In this activity, students create their own solar system out of playdough to learn how the planets formed. Additional resources…