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The blue dots in this field of galaxies, known as the COSMOS field, show galaxies that contain supermassive black holes emitting high-energy X-rays. The black holes were detected by NASA's Nuclear Spectroscopic Array, or NuSTAR, which spotted 32 such black holes in this field and has observed hundreds across the whole sky so far. The other colored dots are galaxies that host black holes emitting lower-energy X-rays, and were spotted by NASA's Chandra X-ray Observatory. Chandra data show…

from io9

NASA Releases Eight Stunning Never-Before-Seen Images of the Cosmos

This image, released on Jan. shows the remnant of Supernova seen in light of very different wavelengths. ALMA data (in red) shows newly formed dust in the centre of the remnant. Hubble (in green) and Chandra (in blue) data show the expanding shock wave.

from PetaPixel

Tilt-Shift Effect Applied to Photographs of the Cosmos to Create a 'Tiny Universe'

Tadpole Galaxy Original image & credit: Image produced with the HST data from the Hubble Legacy Archives. Processed by Bill Snyder http://billsnyderastrophotography.com/?page_id=2464

from io9

NASA Releases Eight Stunning Never-Before-Seen Images of the Cosmos

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from io9

NASA Releases Eight Stunning Never-Before-Seen Images of the Cosmos

A newly discovered galaxy cluster is the most massive one ever detected with an age of 800 million years or younger. Using data from NASA’s Chandra X-ray Observatory, astronomers have accurately determined the mass and other properties of this cluster.

from About.com Education

Image of the Week for February 17, 2006 - Life and Death in the Cosmos

Space & Astronomy Featured Picture of the Week Archive: Image of the Week for February 17, 2006 - Life and Death in the Cosmos