The Beautiful Universe: Chandra in HD
High definition views of Chandra's exciting science Cassiopeia A is the 300-year-old remnant created by the supernova explosion of a massive star. Each Great Observatory image highlights different characteristics of the remnant.
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A Tour of NGC 1333
While fireworks only last a short time here on Earth, ...
While fireworks only last a short time here on Earth, a bundle of cosmic sparklers in a nearby cluster of stars will be going off for a very long time.
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A Tour of NGC 5813
Galaxy groups are families of galaxies that are bound together ...
Galaxy groups are families of galaxies that are bound together by gravity. They are very similar to their larger cousins, galaxy clusters.
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Light Beyond the Bulb: Over and Beyond the Rainbow
While scientists and philosophers have tried to figure out exactly ...
While scientists and philosophers have tried to figure out exactly what light is for millennia, it's only been in the past several hundred years or so that we've really started to figure it out.
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A Tour of Circinus X-1
These rings are light echoes, similar to sound echoes that ...
These rings are light echoes, similar to sound echoes that we may experience here on Earth.
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Light Beyond the Bulb: Intro to Light
The year 2015 has been declared to be the International ...
The year 2015 has been declared to be the International Year of Light and Light-based Technologies by the United Nations.
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A Tour of Space-time Foam
Since space-time foam, as it is called, is so tiny, ...
Since space-time foam, as it is called, is so tiny, scientists cannot observe it directly.
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Chandra Sketches: Chandra Explained
Chandra does not look at light that we can see ...
Chandra does not look at light that we can see with our eyes. It detects x-rays from the Universe.
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A Tour of SGR 1745-2900
A new study reveals that the X-ray output from SGR ...
A new study reveals that the X-ray output from SGR 1745-2900 is dropping more slowly than for other magnetars, and its surface is hotter than expected.
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A Tour of 3 Quasars
A group of unusual giant black holes may be consuming ...
A group of unusual giant black holes may be consuming excessive amounts of matter, according to a new study using NASA's Chandra X-ray Observatory.
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Chandra Sketches: Clara's Launch
My mom works for NASA, for a telescope that studies ...
My mom works for NASA, for a telescope that studies X-rays from space. She told me about how the telescope, called Chandra, was launched into space aboard the Space Shuttle.
