Recently [
http://sci.esa.int/
] the European Space Agency released this and other spectacular "first light" pictures [
http://heasarc.gsfc
] from its new orbiting x-ray observatory [
http://antwrp.gsfc.
], christened XMM-Newton [
http://sci.esa.int/
]. A churning region of star birth and death in our small neighboring galaxy, the Large Magellanic Cloud [
http://antwrp.gsfc.
] (LMC), this field was one of several chosen to test out XMM-Newton's x-ray imaging [
http://imagine.gsfc
xtelescopes_physics. html ] capabilities. The picture is a false-colour one in which low energy x-rays are translated to red, medium energy to green, and high energy to blue. Image colours [
http://antwrp.gsfc.
] therefore represent the relative million degree temperatures of the x-ray emitting regions, red being the coolest and blue the hottest. Remains of the star that exploded as Supernova 1987a [
http://antwrp.gsfc.
] appear here as the white x-ray source at the lower right, while another supernova remnant [
http://imagine.gsfc
supernova_cover.html ], cataloged as N157D is the brightest source at the upper left. The bluish arc (near center) also appears to be a supernova remnant [
http://antwrp.gsfc.
] whose expanding debris cloud [
http://chandra.harv
] is interacting with the LMC's local interstellar gas.
Explanation
Recently [
http://sci.esa.int/
] the European Space Agency released this and other spectacular "first light" pictures [
http://heasarc.gsfc
] from its new orbiting x-ray observatory [
http://antwrp.gsfc.
], christened XMM-Newton [
http://sci.esa.int/
]. A churning region of star birth and death in our small neighboring galaxy, the Large Magellanic Cloud [
http://antwrp.gsfc.
] (LMC), this field was one of several chosen to test out XMM-Newton's x-ray imaging [
http://imagine.gsfc
xtelescopes_physics. html ] capabilities. The picture is a false-colour one in which low energy x-rays are translated to red, medium energy to green, and high energy to blue. Image colours [
http://antwrp.gsfc.
] therefore represent the relative million degree temperatures of the x-ray emitting regions, red being the coolest and blue the hottest. Remains of the star that exploded as Supernova 1987a [
http://antwrp.gsfc.
] appear here as the white x-ray source at the lower right, while another supernova remnant [
http://imagine.gsfc
supernova_cover.html ], cataloged as N157D is the brightest source at the upper left. The bluish arc (near center) also appears to be a supernova remnant [
http://antwrp.gsfc.
] whose expanding debris cloud [
http://chandra.harv
] is interacting with the LMC's local interstellar gas.
Explanation