James Webb Space Telescope: The staggering cost of 30-year build unveiled | Science | News

James Webb Space Telescope is the most powerful telescope ever built, it’s a staggering 100 times more powerful than the Hubble Telescope. It will be launched from French Guiana today. Just how much did it cost to build?

The James Webb Space Telescope will be launched into space within the next few hours.

The telescope will be launched into space on a European Ariane rocket.

The expected launch time from the equatorial Kourou spaceport is timed for 09:20 local time (12:20 GMT).

But tensions are running high as the launch is full of perils.

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The project has cost a staggering $10 billion ( approximately £7,469,600,000) and has been the joint endeavour of the space agencies of the US, Europe and Canada.

The telescope will build on the work made by its predecessor, the Hubble telescope, which is close to the end of its lifespan, having spent 31 years in orbit.

Just how powerful is the telescope?

The James Webb Telescope is hugely powerful, it should be strong enough to try to picture the very first stars and galaxies to shine in the Universe.


How does the James Webb Telescope compare to the Hubble?

The James Webb Telescope will be far more versatile than its predecessor, the Hubble.

Its operating temperature will be as low as -230C, while the Hubble could only operate at just 20C.

The mirror of the James Webb telescope will also be far larger, it is a staggering 6.5m in size compared to the Hubble which is just 2.4m.

But the James Webb isn’t without its flaws, its lifespan is expected to be just 10 years compared to the Hubble which has been in operation for 30 years so far.

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