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 Astro Pro-Am
Four images of galaxies that have been made using data ...
Four images of galaxies that have been made using data from both amateur and professional telescopes.
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Space Scoop: Blowing Bubbles
This is a gas bubble inside a previously blown bubble, ...
This is a gas bubble inside a previously blown bubble, or nebula, like you can see in this image.
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Space Scoop: A Field Trip to Star School
When astronomers want to study young stars, this cluster - ...
When astronomers want to study young stars, this cluster - called Cygnus OB2 - is one of the first places they look.
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Space Scoop: Sweeping Supernovas
This space photograph shows a supernova remnant that is sweeping ...
This space photograph shows a supernova remnant that is sweeping up a remarkable amount of material.
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Pillars of Erosion
Erosion is what happens when some sort of force wears ...
Erosion is what happens when some sort of force wears down an object.
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A Tour of DEM L241
When a massive star runs out fuel, it collapses and ...
When a massive star runs out fuel, it collapses and explodes as a supernova.
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Tour of RX J1131-1231
Astronomers have directly measured the spin of a supermassive black ...
Astronomers have directly measured the spin of a supermassive black hole in a quasar that is located 6 billion light years away.
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Space Scoop: The Galactic Empire
Our galaxy, the Milky Way, is more than just a ...
Our galaxy, the Milky Way, is more than just a giant barred spiral containing hundreds of billions of stars.
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Space Scoop: The Space Olympics
Most stars are like long-distance marathon runners, as they are ...
Most stars are like long-distance marathon runners, as they are constantly moving in space throughout their lifetimes.
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A Tour of IGR J11014-6103
This object is a pulsar, the spinning dense core that ...
This object is a pulsar, the spinning dense core that remains after a massive star has exploded and collapsed.
