07 maio 2015

milky way, photographed by stereo b, spring 2012.top: 46 frames,...





milky way, photographed by stereo b, spring 2012.

top: 46 frames, photographed between 18th april and 13th may.

bottom: composite of those 46 images, with constellations indicated.

this is only a small part of the milky way galaxy, seen where is crosses the plane in which earth orbits the sun. the bright areas are masses of stars; the dark areas are clouds of dust obscuring them. 

below centre, hidden in one such cloud, is Sgr A*, an extremely intense radio source believed to be the supermassive black hole at the cenre of our galaxy.

image credit: nasa/stereo. animation&composite: ageofdestruction. thanks to: astrometry.net.

age

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