PH Express Links

The following list contains links to many of the most interesting and informative Web sites related to topics explored in the chapter. Check them out, but make sure you come back to do more investigating when you're done.
Our Web Resource "Exploring Key Terms" can help you search, too.

SUN

About the Sun

A great site from Stanford University that explores just about everything imaginable about the Sun.

An Introduction to Our Sun

A great lesson on our Sun (SOHO).

Auroras

Michigan Technological University's aurora page provides detailed information on the "northern lights" as well as numerous links to related sites.

Big Bear Solar Observatory

An excellent site for solar images and information.

Eclipse Page, Fred Espenak's (NASA)

This site contains links to maps and path coordinates for each central solar eclipse from 1991 through 2030.

Eclipse Tutorial

General information on lunar and solar eclipses.

Moon and Sun Data

Moon and Sun rise and set data, eclipse information, moon phases, etc. from the U.S. Naval Observatory.

National Solar Observatory

The National Solar Observatory home page features solar images and other related information including links to Sacramento Peak, NM, and Kitt Peak, AZ.

Solar and Heliospheric Observatory (SOHO)

An excellent source for solar information, including real-time images.

Solar Center (Stanford University)

This site presents a collection of fun, educational activities based on Solar Oscillations Investigation (SOI), and Solar and Heliospheric Observatory (SOHO) data.

Solar Data (NASA)

The Solar Data Analysis Center at NASA Goddard Space Flight Center in Greenbelt, Maryland, USA, features a wealth of information about the Sun.

Solar Image Database (SOHO)

The SOHO Synoptic Database contains daily solar images from several ground-based solar observatories, from Yohkoh SXT, and from TRACE.

Solar Images Index

The National Oceanic and Atmospheric Administration's (NOAA) comprehensive index of Web sites that provide solar images.

Solar Images (Stanford University)

A collection of links to various solar observatories and other sources of images.

Solar Information and Images

An excellent source for solar information and images.

Solar Physics

Marshall Space Flight Center's Solar Physics Web site has great descriptions of solar structure, sunspots, the corona, solar wind, etc.

Solar Terrestrial Dispatch

This site should be your first stop for solar images and current auroral activity.

Space Environment Center

This site provides space weather alerts and warnings to the nation and the world for disturbances that can affect people and equipment working in space and on Earth.

SpaceWeather.com (NASA)

A wealth of information on current solar activity, including great images of the Sun.

Sun: A Virtual Tour

An excellent award-winning multimedia tour of the Sun created by Michiel Berger.

Sun in Action

The Sun is a very dynamic object. Variations in solar features occur on time scales from milliseconds to millennia. These pages illustrate some aspects of our ever-changing Sun. You'll see moving images (animated gifs) of the Sun rotating, the Sun's magnetic field changing over the last 6 years, and magnetic field flares looping out of active regions.

Sun, The

A good review of the Sun with several links.

Yohkoh Movie Theater

The Yohkoh Movie Theater is designed to bring you images and movies depicting our nearest star, the Sun, as seen by an X-ray telescope on board the Yohkoh satellite.

Ulysses Mission (NASA)

The Ulysses mission is the first spacecraft to explore interplanetary space at high solar latitudes.

TELESCOPES

Antique Telescope Society

The purpose of the Antique Telescope Society is to unite colleagues interested in antique telescopes, binocular instruments, books, atlases, and related items, and to promote the membership's interests in astronomical history and discovery, the history of optics, and the preservation and use of the antique instruments through stewardship and education.

Arecibo Radio Observatory

Home page of the National Astronomy and Ionosphere Center (Arecibo Observatory) operated by Cornell University.

Astronomy Live

A great commercial site, where for a modest fee you can gain live access to a telescope.

Celestron International

Celestron, one of the most established names in the optical industry, has a reputation for providing the highest quality optics at affordable prices. They offer a wide range of telescopes, binoculars, spotting scopes, and optical accessories.

European Southern Observatory

Home page for the Very Large Telescope with its huge light-gathering mirror.

Hubble Space Telescope Exhibit

A great online companion to the Hubble Space Telescope touring exhibition.

Meade Instruments Corporation

Founded in 1972, Meade is a world leader in the design and manufacture of telescopes and accessories for amateur astronomers.

Mount Wilson Observatory

Mount Wilson Observatory is one of the premier observatories in North America.

National Radio Astronomy Observatory (NRAO)

The National Radio Astronomy Observatory (NRAO) has major facilities at four locations. The administrative headquarters is in Charlottesville, Virginia. The principal telescope sites are at Green Bank, West Virginia, Socorro, New Mexico, and Kitt Peak, Arizona.

Royal Observatory Greenwich

The Royal Observatory Greenwich is one of the foremost sources of astronomy-related information in the world. A must place to visit.

Telescope Basics (Celestron International)

A very good introduction to the basics of optical telescopes.

Telescopes in Education (NASA)

The Telescopes in Education (TIE) program brings the opportunity to use a remotely controlled telescope and charge-coupled device (CCD) camera in a real-time, hands-on, interactive environment to students around the world. TIE enables students to increase their knowledge of astronomy, astrophysics, and mathematics; improve their computer literacy; and strengthen their critical thinking skills.

Very Large Telescope (European Southern Observatory)

The ESO Very Large Telescope (VLT) site at the Paranal Observatory (Atacama, Chile). The VLT will be the world's largest and most advanced optical telescope.