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Astronomy  
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Now showing results 31-40 of 88

This is an activity about the period of the Sun’s rotation. Learners will select images of the Sun from the SOHO spacecraft image archive. Next, they will calculate an image scale for the selected solar images. Then, they will use it to help... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

This manual provides simple demonstrations to show how lenses and mirrors are used to create telescopes. It was created for use by the Night Sky Network of astronomy clubs.

Audience: Informal education
Materials Cost: Free

This is an activity about measurement. Learners will label key points and features on a rectangular equal-area map and measure the distance between pairs of points in order to calculate the actual physical distance on the Sun that the point pairs... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

This Hubble Space Telescope image of galaxies appears to form the number 10. The text describes the image and provides a brief explanation of why astronomer Halton Arp compiled his catalogue of odd-looking galaxies in the 1960s. In the accompanying... (View More)

Audience: High school, Informal education
Materials Cost: Free

This resource shows how generations of explorers have taken us, step by step, further into the expanse of the universe. Using photographs and text, this resource takes readers out of our solar system, into the realm of the stars, the galaxies, and... (View More)

Audience: Informal education
Materials Cost: Free

This six-page, illustrated brochure answers the eight most frequently asked questions about black holes.

Audience: Informal education
Materials Cost: Free

This website has gathered images taken at different wavelengths by a variety of ground-based and space-borne observatories, including selected astronomical objects in the famous Messier catalog, as well as for some non-Messier objects. An online... (View More)

Audience: Informal education
Materials Cost: Free

This website is a collection of questions relevant to the science and mission of the Chandra X-Ray Observatory, submitted by students and the general public, with answers posted by experts in the field. Questions are organized in categories such as... (View More)

Audience: Informal education
Materials Cost: Free

This website provides basic information about x-rays and the Chandra X-Ray Observatory.

Audience: Informal education
Materials Cost: Free

With this resource, users can control the ground-based MicroObservatory telescopes from their computer and download their images themselves, with no human intervention in the loop. Users can access the Observing With NASA "Control Telescope" web... (View More)

Audience: Informal education
Materials Cost: Free