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Exploring the X-Ray Universe: Seward, Frederick D., Charles, Philip A.: 9780521437127: Amazon.com: Books
Light from the Void: Twenty Years of Discovery with NASA's Chandra X-ray Observatory: Arcand, Kimberly K., Tremblay, Grant, Watzke, Megan, Wilkes, Belinda J., Weisskopf, Martin C.: 9781588346698: Amazon.com: Books
Chandra X-ray Telescope images gas flowing toward black hole
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Uranus emits extra x-rays, and scientists don't know why
An X-Ray Hourglass Is Emerging From the Middle of the Milky Way | Smart News | Smithsonian Magazine
How Things Work: Chandra X-Ray | How Things Work | Air & Space Magazine
The Milky Way Just Burped Out Some Stuff | X-Ray Bubble in Galaxy
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X-ray telescope | Britannica
NASA Lunar Telescope for Kids – Capable of 90x: Amazon.co.uk: Camera & Photo
Chandra X-Ray Telescope Finds Evidence of Universe's Missing Matter | Digital Trends
Light from the Void: Twenty Years of Discovery with NASA's Chandra X-ray Observatory: Arcand, Kimberly K., Tremblay, Grant, Watzke, Megan, Wilkes, Belinda J., Weisskopf, Martin C.: 9781588346698: Amazon.com: Books