Kennedy Space Center – Hubble’s Deepest View of Universe

Hubble Ultra Deep Field

Hubble Ultra Deep Field

Kennedy Space Center posted this awesome picture via their Twitter account! This image is the deepest image of the unvierse ever taken in near-infrared light, courtesy of NASA’s Hubble Space Telescope. The oldest galaxies in this image formed 600 millions years after the Big Bang and can be distinguished as the faintest and reddest objects. The new deep view also provides some insight into how galaxies grew in their developmental years early in the universe’s hystory.

According to the Kennedy Space Center site:

The image was taken in the same region as the Hubble Ultra Deep Field (HUDF), which was taken in 2004 and is the deepest visible-light image of the universe. Hubble’s newly installed Wide Field Camera 3 (WFC3) collects light from near-infrared wavelengths and therefore looks even deeper into the universe, because the light from very distant galaxies is stretched out of the ultraviolet and visible regions of the spectrum into near-infrared wavelengths by the expansion of the universe.

This image was taken by the HUDF09 team, that was awarded the time for the observation and made it available for research by astronomers worldwide. In just three months, 12 scientific papers have already been submitted on these new data.

The photo was taken with the new WFC3/IR camera on Hubble in late August 2009 during a total of four days of pointing for 173,000 seconds of total exposure time. Infrared light is invisible and therefore does not have colors that can be perceived by the human eye. The colors in the image are assigned comparatively short, medium, and long, near-IR wavelengths (blue, 1.05 microns; green, 1.25 microns; red, 1.6 microns). The representation is “natural” in that blue objects look blue and red objects look red. The faintest objects are about one billionth as bright as can be seen with the naked eye.

These Hubble observations are trailblazing a path for Hubble’s successor, the James Webb Space Telescope (JWST), which will look even farther into the universe than Hubble, at infrared wavelengths. The JWST is planned to be launched in 2014.

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