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NASA Webb Telescope/Maggie Masetti
The James Webb telescope will launch in 2018 as the successor to the long-running Hubble Telescope, which has been taking pictures of the early universe for 22 years.
2013-03-11
The giant space telescope will travel one million miles from Earth, and will hopefully be able to see the first galaxies that formed in the early universe, more than 13 billion years ago.
An awesome full-scale model of the space telescope was on display at South by Southwest this weekend, an annual conference in Austin, TX.
Although the real James Webb is being built and its parts tested at NASA's Goddard Space Flight Center in Maryland, the full-scale model was constructed in Austin, Texas for South by Southwest.
JWST will have a primary mirror, made up of 18 hexagon segments. The whole thing is 22 feet in diameter, which is about 2.7 times larger than the diameter of Hubble.
The replica weights 12,000 pounds and is made mostly out of aluminum and steel. The gold-colored hexagons on the real telescope that will be sent to space will be gold-plated mirrors.
Here's an image of components for the real telescope being tested at NASA's Goddard center. A structure, wrapped in gold blankets, is being tested to see whether or not it can withstand the extreme temperatures of space.
NASA
Hubble has been peering deep into space for more than 22 years.