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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Kepler Supernova Remnant in 60 Seconds
Over 400 years ago, Johannes Kepler and many others witnessed ...
Over 400 years ago, Johannes Kepler and many others witnessed the appearance of a new "star" in the sky.
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Space Scoop: The Star That Lived Two Lives
In 1604, a new star appeared in the night sky. ...
In 1604, a new star appeared in the night sky. It shone brighter than all the other stars, and for three weeks, it was even visible during the day!
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47 Tucanae in 60 Seconds
Neutron stars are the ultra-dense cores that are often left ...
Neutron stars are the ultra-dense cores that are often left behind after massive stars run out of fuel and collapse.
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Learn About Stars
Stars appear to be permanent fixtures of the night sky. ...
Stars appear to be permanent fixtures of the night sky. However, stars are like people. They are born, live a lifetime, and ultimately die.
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W49B in 60 Seconds
The supernova remnant known as W49B is, let's say, a ...
The supernova remnant known as W49B is, let's say, a bit unorthodox looking. Many supernova remnants appear rather spherical in shape.
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Learn About Solar System
One star, eight planets, and a myriad of moons, comets ...
One star, eight planets, and a myriad of moons, comets and asteroids. This is the Earth's local neighborhood, known as the Solar System.
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Ice Core Records: From Volcanoes to Supernovas (Part II)
While astronomers know that Cassiopeia A, or Cas A for ...
While astronomers know that Cassiopeia A, or Cas A for short, is the aftermath of a massive star that exploded, it is unclear exactly when the explosion took place.
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DEM L50 in 60 Seconds
DEM L50 is what astronomers call a superbubble. These objects ...
DEM L50 is what astronomers call a superbubble. These objects are found in regions where massive stars have formed, raced through their evolution, and exploded as supernovas.
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Chandra Images in 2012
The Chandra images included in this short 2012 retrospective are ...
The Chandra images included in this short 2012 retrospective are drawn from dozens of images posted on our website (from among hundreds taken) in the past year to show the breadth and depth of research done using Chandra.
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Vela Pulsar in 60 Seconds
Unlike with some Hollywood films, a sequel of a movie ...
Unlike with some Hollywood films, a sequel of a movie from NASA's Chandra X-ray Observatory is better than the first.
