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Just Java™ 2 by Peter van der Linden

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Some Light Relief—Sky View Cafe: A High Quality Applet

For the end of this chapter, I want to introduce you to the Sky View Cafe program and its author, Kerry Shetline. Sky View Cafe is an astronomy applet, but even if you have no interest in astronomy, it's a terrific showcase for the very professional graphics effects that a careful programmer can achieve.

In case you are interested in astronomy, I'll mention that Sky View Cafe displays many types of astronomical information, and is particularly easy to use. It shows star charts, rise and set times for the Sun, Moon, and planets, Moon phases, orbital paths of the planets in 3-D (I love animating that one!), a perpetual calendar with astronomical events, lunar and solar eclipses, the moons ...

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