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‘Cosmic Dandelion’: A Mysterious 900-Year-Old Nebula Gets Mapped in Stunning Detail
The supernova that caused the nebula was recorded by Japanese and Chinese astronomers in the 12th century. Now, we know ...
Maui Now
1 小时
Mauna Kea’s Keck Observatory plays key role in mapping one of five supernovae ever seen ...
Now, with the help of the Caltech-built Keck Cosmic Web Imager at the W. M. Keck Observatory on Mauna Kea, Hawai‘i Island, ...
The Brighterside of News on MSN
4 小时
Astrophysicists solve mystery of last historical supernova from 1181 AD
In 1181 AD, a bright new star appeared near the Cassiopeia constellation and shone in the sky for six months before vanishing ...
11 小时
3D Printed Lathes: The Future of Affordable Open Source Machine Tools
Learn to build a robust mini lathe using 3D printing and concrete casting, perfect for hobbyists and small-scale ...
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