Hands-On Universe (HOU)
HOU participants around the world request observations from an automated telescope, download images from a large image archive, and analyze them with the aid of user-friendly image processing software.
www.handsonuniverse.org Details

Heavenly Mathematics: Highlights of Cultural Astronomy
An interdisciplinary course on cultural astronomy. The course has a goal of imparting an understanding of basic astronomical phenomena and an appreciation of their cultural significance throughout the world.
www.math.nus.edu.sg Details

Infrared Imaging
Learn about infrared imaging by viewing a variety of objects in the infrared.
www.ipac.caltech.edu Details

Inquirer's Guide to the Universe
Provides factual information about space and encourages space education through imaginative writing.
sln.fi.edu Details

International Research School of Planetary Sciences
Non-profit organization devoted to research and post-graduate education.
irsps.sci.unich.it Details

Internet Astronomy School (IAS)
Designed as an online school for students from the 4th grade to the end of high school. Apart from the fact that students can study directly from their homes, this is intended to be used by science teachers within the framework of their science courses.
www.yarden.ac.il Details

Journey through the Galaxy
Explore our solar system, stars, extra-solar planets, the theories about the past and future of the universe, and human exploration of space.
home.cwru.edu Details

Multiwavelength Astronomy
Discusses which celestial objects appear in each part of the spectrum and shows why there is a need to send telescopes into space. Page includes photos, games, classroom activities, and related resources.
coolcosmos.ipac.caltech.edu Details

Mysteries of Deep Space
PBS companion site explores the secrets of the universe with an interactive timeline, classroom activities, a trivia challenge, and questions and answers with experts.
www.pbs.org Details