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Your search for "comet space" returned 85 results
How Aerogels Work
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Aerogels are incredible materials that could have dozens of uses from insulation to oil spill cleanup. Learn about aerogels in this article.
Top 10 Doomsday Prophecies
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It seems like every few years someone comes out with a new doomsday prophecy. From aliens and asteroids to floods and earthquakes, how do people think the world will end?
How Asteroid Mining Will Work
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Asteroid mining is explained in this article. Learn about asteroid mining.
How Many Moons Does Jupiter Have? We're Losing Count
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Scientists are continually discovering more moons orbiting the outer planets, particularly Saturn and Jupiter. Just how many moons does Jupiter have?
The Great Planetary Conjunction of 2020
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In 2020, Jupiter and Saturn aligned so closely that, from Earth, they looked like they were practically touching. The last time we saw this was in 1226.
Researchers Find First (Potential) Planet Outside the Milky Way
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Using the Chandra X-ray Observatory, a team of scientists discovered what could very well be the first exoplanet outside the Milky Way. It's massive and might even orbit a black hole.
How Do Stars Form? A Stellar Journey from Dust to Dazzle
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How are stars formed? In this article we'll explain stars and learn how stars are formed.
Why Is Pluto No Longer Considered a Planet?
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On Aug. 24, 2006, the International Astronomical Union (IAU), an organization of professional astronomers, passed two resolutions that collectively revoked Pluto's planetary status.
Shooting Star Meaning, Spirituality and Superstitions
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These days, we may take the stars for granted, but it's not hard to imagine the wonder early humans must have felt gazing up at those inexplicable points of light. Naturally, superstitions were bound to develop - some more fortuitous than others.
Earth: A Primer on the Third Rock From the Sun
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Earth is an enormous and extremely complex planet. Learn about the inner workings of the planet Earth and find out what forces are constantly at work on Earth.