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by Science Source
$25.00
Size
Bottom Style
Image Size
Product Details
Dress it up, dress it down, or use it to stay organized while you're on the go. Our zip pouches can do it all. They're crafted with 100% poly-poplin fabric, double-stitched at the seams for extra durability, and include a durable metal zipper for securing your valuables.
Our zip pouches are available in three different sizes and with two different bottom styles: regular and t-bottom.
Design Details
A supermassive black hole is depicted in this artist's concept, surrounded by a swirling disk of material falling onto it. The purplish ball of light... more
Care Instructions
Spot clean or dry clean only.
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2 - 3 business days
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A supermassive black hole is depicted in this artist's concept, surrounded by a swirling disk of material falling onto it. The purplish ball of light above the black hole, a feature called the corona, contains highly energetic particles that generate X-ray light. If you could view the corona with your eyes, it would appear nearly invisible since we can't see its X-ray light. This composite image shows how a shifting corona can create a flare of X-rays around a black hole. The corona gathers inward (left), becoming brighter, before shooting away from the black hole (middle and right). Astronomers don't know why the coronas shift, but they have learned that this process leads to a brightening of X-ray light that can be observed by telescopes. Normally, before a black hole's corona shifts, there is already an effect at work called relativistic boosting. As X-ray light from the corona reflects off the black hole's surrounding disk of material, the X-ray light becomes brightened, as seen on...
$25.00
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