October 5, 2022
The "Cosmic Cliffs" of the Carina Nebula is seen in an image divided horizontally by an undulating line between a cloudscape forming a nebula along the bottom portion and a comparatively clear upper portion, with data from NASA's James Webb Space Telescope, a revolutionary apparatus designed to peer through the cosmos to the dawn of the universe and released July 12, 2022. Speckled across both portions is a starfield, showing innumerable stars of many sizes. NASA, ESA, CSA, STScI, Webb ERO Production Team/Handout via REUTERS

Galaxies Far Far Away…

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NASA releases first pictures of deep space

The US National Aeronautical and Space Administration (NASA) unveiled a further set of full colour deep space photographs taken by the James Webb Telescope, Tuesday.

Cosmic Disco Two full-color images from NASA’s James Webb Space Telescope, a revolutionary apparatus designed to peer through the cosmos to the dawn of the universe, show composites made from images at Mid-Infrared (L) & Near-Infrared (R) and released July 12, 2022. NASA, ESA, CSA, STScI, Webb ERO Production Team/Handout via REUTERS

Tuesday’s images took weeks to render using data from the telescope. They show areas of the universe where researchers will focus future scientific research.

The $10 billion telescope, is the largest and most powerful ever launched into space and peers deeper into the cosmos than any before it. Scientists describe the telescope as looking back in time. That is because it can see galaxies that are so far away that it takes light from those galaxies billions of years to reach the telescope.

“Light travels at 186,000 miles per second (299,000 meters). And that light that you are seeing on one of those little specs (in the picture) has been traveling for over 13 billion years,” said NASA Administrator Bill Nelson, who attended Monday’s news briefing along with Biden and Vice President Kamala Harris.

A successor to the Hubble Space Telescope, Webb is about 100 times more sensitive than its 30-year-old predecessor. It is also able to use the infrared spectrum, while the Hubble used mainly optical and ultraviolet wavelengths.

“We are going to be able to answer questions that we don’t even know what the questions are yet,” the NASA administrator said. Apart from the deep space pictures, NASA presented Webb’s first spectrographic analysis of a Jupiter-sized exoplanet more than 1,100 light years away – revealing the molecular signatures of filtered light passing through its atmosphere, including the presence of water vapor.  Scientists have raised the possibility of eventually detecting water on the surface of smaller, rockier Earth-like exoplanets in the future.

Source NASA/Reuters

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