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As evening twilight darkens the July sky, a brilliant orange star rises in the southeast. This is actually not a star, but the planet Mars. Over the next…
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What’s that brilliant object in the western evening twilight? An Airplane? A bright star? No. It’s Venus, Earth’s nearest planetary neighbor!Excepting the…
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As humans on Earth, it’s hard to grasp how vast the Universe is, starting with our own Solar System. To us, our Solar System seems like a big place.The…
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2015 is a banner year for solar system exploration. Although the European Venus Express Mission and NASA’s Messenger Mission to Mercury are ending, other…
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As August began, all of the bright planets were visible in our western slope skies. Since all of our solar system planets orbit the sun, the visible…