Cosmic Caterpillar Hubble JPL NASA space telescope photo hs-2013-35-a

Description: This is a fantastic image directly from NASA’s archives and shows the wonders of the universe. Note that some of the NASA spaces images have some slight blurring due to the subject, this is natural. You have your choice of size and finish for the photo. The size you choose may require cropping and the finished image may appear slightly different than the one shown. If preferred a white border can be added above/below or left/right to allow all of the original image to print. Unless requested when placing your order, your image may be cropped. If you would like to see how a specific image will look for the size you have chosen, please contact us and indicate the size you are interested in. Matte Finish: E-Surface Photo Paper is by far our most popular photographic paper. As a professional paper, it boasts rich, sharp color that won't fade or yellow, creating beautiful prints that will last for years to come. Glossy (Metallic) finish: Our Metallic Photo Paper features a unique pearlescent surface. It offers highly saturated colors, ultra-bright backgrounds, and will last a lifetime with typical home storage. Hubble Sees a Cosmic Caterpillar - IRAS 20324+4057 This light-year-long knot of interstellar gas and dust resembles a caterpillar on its way to a feast. But the meat of the story is not only what this cosmic caterpillar eats for lunch, but also what's eating it. Harsh winds from extremely bright stars are blasting ultraviolet radiation at this "wanna-be" star and sculpting the gas and dust into its long shape. The culprits are 65 of the hottest, brightest known stars, classified as O-type stars, located 15 light-years away from the knot, towards the right edge of the image. These stars, along with 500 less bright, but still highly luminous B-type stars make up what is called the Cygnus OB2 association. Collectively, the association is thought to have a mass more than 30,000 times that of our Sun. The caterpillar-shaped knot, called IRAS 20324+4057, is a protostar in a very early evolutionary stage. It is still in the process of collecting material from an envelope of gas surrounding it. However, that envelope is being eroded by the radiation from Cygnus OB2. Protostars in this region should eventually become young stars with final masses about one to ten times that of our Sun, but if the eroding radiation from the nearby bright stars destroys the gas envelope before the protostars finish collecting mass, their final masses may be reduced. Spectroscopic observations of the central star within IRAS 20324+4057 show that it is still collecting material quite heavily from its outer envelope, hoping to bulk up in mass. Only time will tell if the formed star will be a "heavy-weight" or a "light-weight" with respect to its mass. This image of IRAS 20324+4057 is a composite of Hubble Advanced Camera for Surveys data taken in green and infrared light in 2006, and ground-based hydrogen data from the Isaac Newton Telescope in 2003, as part of the IPHAS H-alpha survey. The object lies 4,500 light-years away in the constellation Cygnus. Object Name: IRAS 20324+4057 Object Description: Protostar in the Cygnus OB2 Association Position (J2000): RA: 20h 34m 14s.12 Dec: +41° 08' 03".55 Constellation: Cygnus Distance: 4,500 light-years (1,380 parsecs) Data Description: The image was created from Hubble data from proposal 10536: R. Sahai (Jet Propulsion Laboratory), M. Morris (UCLA), C.S. Contreras (CSIC/INTA), M. Claussen (Associated Universities, Inc.), and S. Salim (Indiana University). The science teams include: N. Wright, J. Drake, M. Guarcello, and L. Hora (Harvard-Smithsonian Center for Astrophysics), J. Drew (University of Hertfordshire), R. Gutermuth (University of Massachusetts, Amherst), and K. Kraemer (Harvard-Smithsonian Center for Astrophysics/Boston College); and R. Sahai (Jet Propulsion Laboratory), M. Morris (UCLA), and M. Claussen (Associated Universities, Inc.). Instrument: ACS/WFC Filters: F606W (V) and F814W (I) Exposure Date(s): July 22, 2006 About the Release Note: Hubble data of IRAS 20324+4057 have been combined with ground-based H-alpha observations taken in 2003 with the Isaac Newton Telescope (INT) to create the composite image. Credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA), and IPHAS Release Date: August 29, 2013 Color: This image is a composite of separate exposures acquired by the ACS instrument and the Isaac Newton Telescope. Several filters were used to sample various wavelengths. The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter. In this case, the assigned colors are: INT: H-alpha cyan ACS: F606W (V) blue ACS: F814W (I) red

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