Early astronomers like Galileo used telescopes to map the Milky Way galaxy. This month, you can see the Milky Way in the late evening.

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JPL engineers are trying out maneuvers with a test rover on Earth, to plan an escape on Mars for Spirit.

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Galileo drew the stars using four different sizes to distinguish their different brightnesses, and he published his findings in 1610. Today, spacecraft and orbiting telescopes join ground-based observers to learn more about our galaxy.

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NASA wants your help to name its next rover to Mars.

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