In this activity, children see how a 'skyscraper's worth' of information can be shrunk to a tiny handful without losing anything important. An interactive multimedia demonstration shows three different ways to compress data gathered by a spacecraft before sending it back to Earth. Full description.

This interactive crossword puzzle uses words related to astronomy and the Keck Telescopes. It also describes the telescopes and how their images are combined using interferometry to make an even better image, and explains how the telescopes are used to look for planets around other stars. Full description.

This activity describes some simple, yet impressive gyroscopic demonstrations using only a bike wheel with a quick-release hub. Then, itIt explains both the angular momentum principle that tends to keep the wheel in a rigid plane and the effects of the external forces that create precession. And all without a single equation!No equations are used during the activity. Understanding the forces at work ... Full description.

This lithograph contains a Hubble Space Telescope image of galaxies that appear 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. The accompanying classroom activity In Search of ? Peculiar Galaxies is a curriculum support tool designed for use as an introductory inquiry activity. ... Full description.

This story celebrates the 17th anniversary of the launch of the Hubble Space Telescope. The anniversary image of the Carina Nebula is described and Hubble?s most significant scientific discoveries are identified. The article is from the Amazing Space science newspaper, The Star Witness, which can be used as a science content reading. Full description.

This story highlights Albert Einstein?s miracle year when he wrote five scientific papers. Connections are made between Einstein?s work and that of the Hubble Space Telescope. The article is from the Amazing Space science newspaper, The Star Witness, which can be used as a science content reading. Full description.

This story explains how the Hubble Space Telescope was used to assist scientists in finding natural resources on the Moon. This information can be used to introduce the idea of using reflected light to identify different materials on the Moon's surface. This selection is an adaptation of the HubbleSite press release: NASA's Hubble Looks for Possible Moon Resources. The article is from the Amazing ... Full description.

This article tells the story of the Deep Impact spacecraft's encounter with comet 9P/Tempel 1. A portion of the spacecraft, the impactor, crashed into the comet and released a storm of material. Scientific words and phrases that might be new to the student are identified and defined. Discussion questions with answers are also available to help focus the student?s attention on important information ... Full description.

This news story celebrates the 15th anniversary of the launch of the Hubble Space Telescope. Information about the top ten discoveries made by Hubble is included. This selection was written in conjunction with the HubbleSite press release: Hubble Celebrates 15th Anniversary with Spectacular New Images. The article is from the Amazing Space science newspaper, The Star Witness, which can be used as ... Full description.

This news story details the deepest visible light observations of the early universe. This information can be used to introduce the idea that galaxies change over time and to help students realize the vastness of space. This selection is an adaptation of the HubbleSite press release: Hubble's Deepest View Ever of the Universe Unveils Earliest Galaxies. The article is from the Amazing Space science ... Full description.