It's the last clearly observed supernova in the Milky Way, Gassel said.
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NASA Perseverance rover sees megaripples on Mars | Space photo of the day for Jan. 7, 2026.
Another view from Perseverance shows how windswept Mars' landscape truly is.
Sunspot AR3311 have been extremely active since its emergence in NASA Solar Dynamics views. Seven m-class flares can be seen ...
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