Before he joins the Avengers, Thor may need to retrieve his helmet—which is floating in space 15,000 light-years away.

Also known as NGC 2359, Thor’s Helmet is a nebula found in the constellation Canis Major. As seen in this recently released picture from the Cerro Tololo Inter-American Observatory in Chile, the cosmic cloud of dust and gas is being shaped like a winged helm by outpourings of radiation from the massive stars inside.

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