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Astronomy at Work

GeoAstro Applet Collection
Collection of interactive Java applets that display the position of sun and moon on the horizon for any date, time and location, and on a world map with day and night regions. The times of rise and setting, the declination, the Greenwich hour angle and the equation of time are computed.

Navigate the Venusian Surface using Java
The Digital Interactive Venus Atlas (DIVA) provides a Java-based interface to the image archive from NASA's Magellan mission to Venus by means of an interactive user-navigable radar map of the Venusian surface.

Control the Hubble!
NASA and the Hubble team have made a public demonstration available so you can run the Java-based Control Center System environment. This demo provides a glimpse of the data that scientists utilize in their work with the Hubble.

Celestial Sphere: The Web's Virtual Planetarium
If you're into astronomy, or just want to see what the stars and constellations look like from any particular coordinates, you simply must check out this outstanding applet.

Keep an Eye on Santa
From NASA Now you can use the same technology which keeps track of the satellites to keep tabs on where Santa Claus is at any given moment!

Follow the Paths of the Satellites
From NASA J-Track lets you choose from a fairly large list of satellites, and gets you started by selecting a few for you. Just select the category of satellites you are interested in, or if you are really adventurous, try J-Track 3D.

Track the Space Shuttle
From NASA This is NASA's most popular J-Track page which is used to track Mir and the Space Shuttle. Hubble, UARS, and COBE are here as well.

How to Add Java Applets to Your Site

New on the Java Boutique:

New Review:

Time Management Made Easy with the Quartz Enterprise Job Scheduler
Why not just use the Java timer API? This open source scheduling API boasts simplicity, ease-of-integration, a well-rounded feature set, and it's free!

New Applet:

Reverse Complement
Reverse Complement is a simple applet that converts DNA or RNA sequences into three useful formats.

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Customizable portal with online training, FAQs, regular news updates, and tutorials.