This article features the Early Release Observations following SM4. The Star Witness News articles are science content readings for upper elementary to middle school students. Current Hubble science content is presented at a grade-appropriate level and includes definitions of unfamiliar terms and a set of discussion questions with answers. The articles are based on Hubble press releases, which are ... Full description.

This article highlights the schools? and student work selected as the best collages in an interdisciplinary Classroom Collage Activity sponsored by the Office of Public Outreach at the Space Telescope Science Institute. An image showing the SM4 astronauts with the winning collages is included. The Star Witness News articles are science content readings for upper elementary to middle school students. ... 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 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.

This activity includes pictures with detailed background information and short summaries of information accompanied by an image of an astronomical object. 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 Hubble Space Telescope image reveals a small region inside the massive globular cluster Omega Centauri, which boasts nearly 10 million stars. This colorful assortment of 100,000 stars residing in the crowded core of the cluster is one of the first images taken by the new Wide Field Camera 3. The accompanying classroom activity In Search of ? Stellar Evolution is a curriculum support tool designed ... Full description.

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 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 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.