© NASAThe tennis-court-sized solar protection screen of the James Webb.

1/8
© NASA
The tennis-court-sized solar protection screen of the James Webb.
© NASAA James Webb mirror 6.5 meters in diameter (The Hubble’s mirror measures just 2.4 meters).

2/8
© NASA
A James Webb mirror 6.5 meters in diameter (The Hubble’s mirror measures just 2.4 meters).
© NASAThe telescope will be placed at L2 Lagrange point, 1.5 million km away from Earth. Photo: A 3D model of the James Webb space telescope.

3/8
© NASA
The telescope will be placed at L2 Lagrange point, 1.5 million km away from Earth. Photo: A 3D model of the James Webb space telescope.
© NASAA simulation of images expected to be received from the James Webb.

4/8
© NASA
A simulation of images expected to be received from the James Webb.
© NASAThe advanced space telescope was first proposed in 1996.

5/8
© NASA
The advanced space telescope was first proposed in 1996.
© NASARemaining in the Earth’s shadow, the telescope will need no artificial cooling. Photo: A 3D model of the James Webb space telescope.

6/8
© NASA
Remaining in the Earth’s shadow, the telescope will need no artificial cooling. Photo: A 3D model of the James Webb space telescope.
© NASAA full-scale model of the James Webb space telescope made of aluminum and steel. Two trucks are required for its transportation and a team of 12 people to assemble it within four days.

7/8
© NASA
A full-scale model of the James Webb space telescope made of aluminum and steel. Two trucks are required for its transportation and a team of 12 people to assemble it within four days.
© NASAExperts say the minimum lifetime of the James Webb is five years. NASA scientists hope the telescope will last for at least 10 years. Photo: Models of some of the telescope’s parts.

8/8
© NASA
Experts say the minimum lifetime of the James Webb is five years. NASA scientists hope the telescope will last for at least 10 years. Photo: Models of some of the telescope’s parts.