James Webb Space Telescope
NASA's flagship infrared observatory, with a 6.5-metre gold primary mirror
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01 / FIELD NOTESDATA / IN CONTEXT 01 / Primary mirror6.5 m 02 / Mass (approx.)6,500 kg
James Webb Space Telescope
The James Webb Space Telescope is a large space observatory optimized for infrared light. It has a 6.5-metre primary mirror made of 18 gold-coated beryllium segments, a five-layer sunshield about the size of a tennis court, and four science instruments (NIRCam, NIRSpec, MIRI and FGS/NIRISS) in the Integrated Science Instrument Module. Webb launched on 25 December 2021 on an Ariane 5 and operates near the Sun–Earth L2 point, about 1.5 million kilometres from Earth. This pack shows NASA's official public 3D model from an elevated three-quarter view.
“NASA's flagship infrared observatory, with a 6.5-metre gold primary mirror”✳
01 / Primary mirror6.5 m, 18 hexagonal gold-coated beryllium segments
02 / SunshieldFive layers, about the size of a tennis court
03 / Mass (approx.)6,500 kg
See it another way
A visual detail and one carefully matched comparison.
ONE-TO-ONE COMPARISON
02 / OBJECTSMirror size changes how much light a telescope gathers
James Webb Space Telescope↔Hubble Space Telescope
6.6 m
2.4 m
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Illustrative 3D model based on NASA’s public model · Not an engineering CAD model.