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Wednesday, July 13, 2022

What is the difference between the NASA ' s Hubble & the James Webb Telescopes ?

What is the difference between the NASA's Hubble & the James Webb Telescopes? 

New images issued by NASA have captured an astonishing level of detail of the universe never viewed before.

The images, taken by NASA's $13 billion James Webb Space Telescope, have previously been taken by the Hubble Telescope, but show a much more complex picture of the universe.

The cause  for the difference between the two come down to their different-sized mirrors and different capabilities.

Webb's mirror is nearly 3 times bigger than Hubble's, and Webb is able to capture the universe in the infrared spectrum, During Hubble largely captures images at visible and ultraviolet light.

Hubble is even in a much closer orbit to earth, meaning it can't peer back as far in time compared to Webb.

Carina Nebula

The "Cosmic Cliffs" taken by Webb have built on Hubble's imagery of the Carina Nebula.

The striking photo  shows the mountains and valleys of the region that's 7,600 light-years away where stars are born.

Stephan's Quintet

This cluster was 1st discovered in 1877, but Webb's image captures five galaxies, containing a black hole, that's from 290 million years ago.

The photo captured by Hubble appeared to show the galaxies surrounded by darkness — but Webb has turned that on its head, and could offer insights into how early galaxies formed at the start of the universe.

Southern Ring Nebula

The unbelievable detail captured by Webb shows the nebula cloaked in dust and emitting gas, providing scientists a greater insight into the process a star goes through when it dies.

SMACS 0723

The deepest view of the cosmos was the 1st image released from Webb, giving  a glittering view of stars and galaxies from about 4.6 billion years ago — the farthest humanity has ever seen in time and distance.

NASA administrator Bill Nelson provided an insight into the scale of the cluster when the image was issued  on Monday.

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