NASA Set to Launch $10-Billion James Webb Space Telescope on December 18

Astronomers hope the James Webb Space Telescope will supercharge the discovery of alien worlds.

NASA Set to Launch $10-Billion James Webb Space Telescope on December 18

Photo Credit: NASA/Chris Gunn

NASA’s James Webb Space Telescope is seen here being prepared for shipment to its launch site

Highlights
  • A key feature is the James Webb telescope's ability to detect infrared
  • Hubble only has limited infrared capacity
  • The first planets to orbit other stars were detected in the 1990s

The James Webb Space Telescope, which astronomers hope will herald a new era of discovery, will launch on December 18, NASA said Wednesday.

The $10 billion (roughly Rs. 73,700 crores) observatory, which is a joint project by NASA, the European Space Agency and the Canadian Space Agency, will blast off on an Ariane 5 rocket from Spaceport in French Guiana.

It is currently stowed at contractor Northrop Grumman's facilities in Redondo Beach, California, where it is awaiting shipping.

"Webb is an exemplary mission that signifies the epitome of perseverance," said Webb's NASA program director Gregory Robinson in a statement.

"We are extremely honored to orbit NASA's James Webb Space Telescope with Ariane, a first for Arianespace and the European space team," added Stephane Israel, CEO of Arianespace.

Researchers want to use the space telescope, the largest and most powerful ever built, to look back in time over 13.5 billion years to see the first stars and galaxies that formed, a few hundred million years after the Big Bang.

A key feature is its ability to detect infrared, as by the time the light from the first objects reaches our telescopes, it has shifted towards the red end of the electromagnetic spectrum as a result of the universe's expansion.

The current premier space telescope, Hubble, only has limited infrared capacity.

Astronomers also hope the James Webb Space Telescope will supercharge the discovery of alien worlds.

The first planets to orbit other stars were detected in the 1990s and there are now more than 4,000 exoplanets that have been confirmed.


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Further reading: James Webb Space Telescope, NASA
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