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Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years 5nvklj





Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years 9tpt39

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Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years

Dragon
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Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years Empty Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years

Post by Dragon Fri Aug 21, 2020 3:08 pm

Astronomers have used NASA's Chandra X-ray Observatory to record material blasting away from the site of an exploded star at speeds faster than 20 million miles per hour. This is about 25,000 times faster than the speed of sound on Earth.

Kepler's supernova remnant is the debris from a detonated star that is located about 20,000 light years away from Earth in our Milky Way galaxy. In 1604 early astronomers, including Johannes Kepler who became the object's namesake, saw the supernova explosion that destroyed the star.

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Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years 334pu7m
Dragon
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Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years Empty Re: Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years

Post by Dragon Fri Aug 21, 2020 3:10 pm

Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years Keplerssuper
Credit: NASA/CXC/Univ of Texas at Arlington/M. Millard et al.

The latest study tracked the speed of 15 small "knots" of debris in Kepler's supernova remnant, all glowing in X-rays. The fastest knot was measured to have a speed of 23 million miles per hour, the highest speed ever detected of supernova remnant debris in X-rays.

Source / Image Courtesy


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Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years 334pu7m
Dragon
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Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years Empty Re: Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years

Post by Dragon Fri Aug 21, 2020 3:11 pm



A graphic gives a visual explanation for how motions of knots in the images and the X-ray spectra were combined to estimate the total speeds.


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Kepler's supernova remnant: Debris from stellar explosion not slowed after 400 years 334pu7m

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