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A young galaxy with starbirth regions.
While the Hubble Space Telescope Infrared camera was imaging a piece of the sky as part of a scientific survey, operators decided to take a snapshot using its Advanced Camera for Surveys on an adjacent region - they weren't really looking at anything in particular. The image contains a jumble of unrelated galaxies, including a yellow spiral stretched by a galactic collision, a young blue Galaxy with regions of starbirth, and some other small red galaxies. The blue arc in the middle of the image is actually a red Galaxy which is serving as a gravitational lens to magnify a more distant blue galaxy.
A brand new nebula was discovered in the constellation of Orion by Jay McNeil back in January, 2004, and Astronomers have been turning every instrument they have on this new object to better understand it. It turns out that "McNeil's Nebula" has been there for a long time, but it's only been recently illuminated by the young star that formed it. The Chandra X-Ray Observatory has seen X-ray outbursts from the star which have helped to show that its magnetic field is probably interacting with an orbiting disk of gas, causing it to periodically flare up.
Nine days before it entered orbit, Cassini captured this exquisite natural color view of of Saturn’s rings. The images that comprise this composition were obtained from Cassini’s vantage point beneath the ring plane with the narrow angle camera on June 21, 2004, from a distance of 6.4 million kilometers (4 million miles) from Saturn and a phase angle of 66 degrees. The image scale is 38 kilometers (23 miles) per pixel.
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