This poster outlines the major mission highlights of the Interstellar Boundary Explorer (IBEX) mission, a Small Explorer Earth-orbiting spacecraft that is designed to map the distant boundary between the solar wind from our Sun and the interstellar medium. This poster supports a full-length planetarium show about the IBEX mission and the boundary of the Solar System. Each short activity/product helps ... Full description.

This product uses a collection of Hubble Space Telescope (HST) images of galaxies in the Coma Cluster, and engages students in an inquiry-based learning activity studying the evolution of galaxies in dense clustered environments. Students learn the basics of galaxy classification by making use of the HST images to discover a "morphology-density effect," and will then make hypotheses about the cause ... Full description.

Imagine the Universe is dedicated to discussion about the universe, how it is evolving, and the kinds of objects and phenomena it contains. The site is intended for students age 14 and up and is a service of NASA's High-Energy Astrophysics Science Archive Research Center (HEASARC). Contained within this site are explanations of the concepts and principles used to study and understand the universe, ... Full description.

This activity and demonstration teaches the concept of parallax (the apparent movement of an object caused by a change in the viewer's position) and relates the concept to a real-world astronomical event, ­the discovery of Pluto. It employs the Blink Comparator, an online simulation illustrating the technique used by Clyde Tombaugh to discover the ninth planet on February 18, 1930. Full description.

In this lesson, students observe a teacher-directed demonstration that provides a conceptual understanding of latent heat, the "hidden heat" present in all changes from one phase to another, by using a hand warmer. Full description.

This educator?s guide features three curriculum enhancement activities and one scientific literacy activity, extensive background information, assessment rubrics, student worksheets, extension and transfer activities, and detailed information about the physical science and mathematics content standards. An electronic version of one of the activities is also available that uses a spreadsheet and image ... Full description.

This activity relates an elastic collision to the change in a satellite?s or spacecraft?s speed and direction resulting from a planetary fly-by, often called a ?gravity assist? maneuver. Both hands-on and online interactive methods are used to explore these topics. Full description.

These videos introduce middle- and high school-age learners to the electromagnetic spectrum. The product consists of 8 animations including an introduction to electromagnetic waves and one animation for each wavelength of the EM spectrum (Radio, Microwave, Infrared, Visible, Ultraviolet, X-Rays and Gamma Rays). Each wavelength of the EM spectrum offers a construct to illustrate and teach about NASA ... Full description.

This poster series highlights six astronomical images observed with NASA?s Great Observatories (Hubble, Chandra and Spitzer) and found within the "From Earth to the Universe" (FETTU) exhibition. Each poster contains additional information on the historical context of the astronomical objects (constellation, view with the unaided eye), as well as basic facts about the specific object, the category ... Full description.

This service answers users questions on a wide variety of topics in high-energy astronomy. Questions are answered by scientists within the Lab for High-Energy Astrophysics at NASA/GSFC. An archive of questions and answers are categorized by topic for users to browse. Suggestions for additional information resources are also provided. Full description.