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The nature of science  
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This story-based lesson presents information on the early investigation into solar and cosmic X-rays, as well as the scientists working in pursuit of X-ray detection and imaging, that set the stage for a program of space-based astronomy. The lesson... (View More)

Audience: High school
Materials Cost: Free

NASA scientist, Neil Gehrels, serves as your guide to this online lesson on gamma ray tools, which focuses on advances in detector technologies since the 1980s that have enabled us to capture and image high-energy phenomena. Dr. Gehrels explains... (View More)

Audience: High school
Materials Cost: Free

This model aims to help illustrate the purpose and methodology of NASA's Kepler mission. It includes (1) a hand-cranked or motorized orrery (moving model of a planet system) made of LEGO parts, (2) a light sensor representing the Kepler photometer,... (View More)

Audience: Informal education

This planetarium show is designed to engage visitors directly in activities and demonstrations, and is optimized for group sizes of 25 to 70 people. Show content includes general planet-finding techniques (Doppler, astrometric, etc.), an audience... (View More)

Keywords: Exoplanets

In this lesson, students read the original paper written by Henrietta Leavitt in which she compared the apparent brightness and period of Cepheid variable stars. The students prepare graphs from numerical data, just as she did, and compare their... (View More)

In this lesson, students create a timeline of world events from 1905 until 2006. Students locate key dates from the Cosmic Times poster series and determine world events that fit into the three story strands of Cosmic Times, as well as, the... (View More)

This series of curriculum support materials explores how our understanding of the nature of the universe has changed during the past 100 years. Students examine the process of science through the stories of the people and the discoveries that caused... (View More)

Keywords: History of science
Audience: Middle school, High school
Materials Cost: Free

In this lesson, students will read about and research the major historical events that occurred throughout the year 1919. They will use different readings and articles to understand and describe what life was like during this time. In addition, the... (View More)

Audience: Middle school, High school
Materials Cost: Free

Students utilize two reading strategies that can be used to understand the Cosmic Times materials, as well as other readings that may be challenging to them. The first strategy, called Talking to the Text, is an independent strategy in which the... (View More)

In this lesson, students consider observations and inferences to determine the support for each of two theories on the origin of the universe: Steady State and Big Bang. Working with partners, students draw from a set of Evidence cards (master is... (View More)