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How Lunar Eclipses Work
science.howstuffworks.com/lunar-eclipse.htm
A lunar eclipse occurs when a full moon passes within Earth's shadow. Learn what causes a lunar eclipse and the different types of lunar eclipse.
Do the Planets Ever Actually Align?
science.howstuffworks.com/planetary-alignment.htm
If you imagine the eight major planets in a single line stretching out from the sun, this alignment occurs roughly every 13.4 trillion years. And our solar system is 4.5 billion years old.
Rocket Pictures
science.howstuffworks.com/rocket-pictures.htm
These rocket pictures explore the people, science and technologies behind rocket development. Check out this informative series of rocket pictures.
How Voyager Works
science.howstuffworks.com/voyager.htm
The Voyager program launched two unmanned probes into space. The Voyager spacecrafts captured amazing images and made incredible scientific discoveries.
How Astrolabes Work
electronics.howstuffworks.com/gadgets/clocks-watches/astrolabe.htm
Astrolabes are exquisitely crafted instruments that have hundreds of uses. Isn't it time you learned how to use this handy decoder of the sky?