NASA’s IXPE (Imaging X-ray Polarimetry Explorer) mission has taken a new observation of a supernova, RCW 86, helping fill in a fuller picture of what other telescopes have observed. When astronomers using NASA’s Chandra X-ray Observatory previously targeted RCW 86, they discovered that a large “cavity” region around the system led the supernova to expand […]
What would success mean for Artemis II flight?
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