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An eclipse of the Moon can only occur at a Full Moon, and only if the Moon passes through a part of the Earth’s shadow. It takes the Moon 29.5 days to orbit the Earth, and usually it does so without passing through the Earth’s shadows. But every once in a while, the Moon will pass through Earth’s pale outer shadow called the penumbra and the dark inner shadow, called the umbra. When this happens, the Earth blocks all direct sunlight from the Moon causing a total lunar eclipse.

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In August and September of 1977, NASA made an attempt to talk to aliens. It’s not exactly what you might think however. They didn’t meet any little green men with big eyes coming out of a flying saucer. But they did send out two spacecrafts with some information about Earth in hopes that there would be some sort of space civilization that might find it.

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Have you ever wondered what the earth would look like out of a space shuttle? Have you ever looked up at the stars and thought that you could be an astronaut? Well, there’s nothing saying you can’t. In fact, that very thing happened on July 22, 1999. Five people were given the opportunity to fly into space and remain there for 4 days, 22 hours and 50 minutes.

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