The Andromeda galaxy is one of the most distant objects that we can see in the night sky with the naked eye. The light that we see now left there 2.5 million years ago. While this might seem a lot, in practice it is in our ...
Space Exploration
Aug 18, 2015
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A firework display is often the finale of a celebratory event, something that many people can experience and enjoy at the same time. This week, the 9 – 14th August, we should be seeing a firework display with a difference: ...
Space Exploration
Aug 12, 2015
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7
For millennia, human beings have stared up at the night sky and stood in awe of the Milky Way. Today, stargazers and amateur astronomers continue in this tradition, knowing that what they are witnessing is in fact a collection ...
Astronomy
Jul 10, 2015
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103
A sushi restaurant in downtown Flagstaff added a Pluto roll to its menu. A yearlong exhibit celebrates the work of the amateur astronomer in the city who discovered the now-dwarf planet in 1930. And a walking tour leads people ...
Space Exploration
Apr 7, 2015
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30
In the late 19th century, astronomers developed the technique of capturing telescopic images of stars and galaxies on glass photographic plates. This allowed them to study the night sky in detail. Over 500,000 glass plate ...
Astronomy
Mar 26, 2015
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At many locations around the world, the night sky shines hundreds of times brighter than it did before the introduction of artificial light. Berlin based researchers from the Leibniz-Institute of Freshwater Ecology and Inland ...
Earth Sciences
Feb 12, 2015
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21
Meteors have been seen since people first looked at the night sky. They are comprised of small pieces of debris, typically no larger than a grain of dust or sand, which continually crash into the Earth's atmosphere.
Space Exploration
Feb 9, 2015
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27
How did the Solar System's planets come to be? The leading theory is something known as the "protoplanet hypothesis", which essentially says that very small objects stuck to each other and grew bigger and bigger—big enough ...
Space Exploration
Jan 30, 2015
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The interaction of solar winds and Earth's atmosphere produces northern lights, or auroras, that dance across the night sky and mesmerize the casual observer. However, to scientists this interaction is more than a light display. ...
Space Exploration
Jan 28, 2015
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11
NASA's Near-Earth Object Wide-field Survey Explorer (NEOWISE) spacecraft discovered and characterized 40 near-Earth objects (NEOs) in the first year after the mission was re-started in December 2013. Eight of the discoveries ...
Space Exploration
Jan 20, 2015
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