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The remains of a rare supernova have been discovered in our galaxy for the first time, raising new questions about the spread of key elements close to the
| UPDATED: 15:02, Tue, Feb 9, 2021 Link copied Sign up for FREE for the biggest new releases, reviews and tech hacks SUBSCRIBE Invalid email When you subscribe we will use the information you provide to send you these newsletters. Sometimes they'll include recommendations for other related newsletters or services we offer. Our Privacy Notice explains more about how we use your data, and your rights. You can unsubscribe at any time. Supernovas come in various shapes and sizes but are widely regarded as the Universe's biggest fireworks. Astronomers originally classified these as either Type...
E-Mail IMAGE: This composite image of X-ray data from Chandra (blue) and radio emission from the Very Large Array (red) contains the first evidence for a rare type of supernova in the... view more Credit: X-ray: NASA/CXC/Nanjing Univ./P. Zhou et al. Radio: NSF/NRAO/VLA Astronomers may have found our galaxy's first example of an unusual kind of stellar explosion. This discovery, made with NASA's Chandra X-ray Observatory, adds to the understanding of how some stars shatter and seed the universe with elements critical for life on Earth. This intriguing object, located near the cente...
E-Mail SAN FRANCISCO, CA--December 10, 2020--Calcific aortic valve disease is not only the most common valve disease in the elderly, it's also the third leading cause of heart disease overall. For those affected, calcium starts to accumulate in their heart valves and vessels over time, until they harden like bone. As a result, blood flow out of the heart's pumping chamber to the body gets obstructed, leading to heart failure. Yet no medical therapy currently exists. All patients can do is wait for the calcification (or hardening) to become bad enough that they need surgery to replace their ...