James Webb Space Telescope Craig Lieneck October 15, 2003
JWST Successor to the Hubble Telescope James E. Webb – NASA’s 2 nd Administrator Apollo Programs Lunar Explorations More than 75 launches James E. Webb
Structure Primary Mirror: 6.5m (21.3ft) –1/3 weight of HST mirror –18 Segments (Beryllium) Aperture: 25m Payload: 6,200kg Wavelength Coverage: microns Operating Temperature: 50K (-370°F) Cost: $824,800,000,000
Orbit Lagrange L2 Availability Temperature
Mission Determine the shape of the Universe. Explain galaxy evolution. Understand the birth and formation of stars. Determine how planetary systems form and interact. Determine how the Universe built up its present chemical/elemental composition. Probe the nature and abundance of Dark Matter.
Launch Date Proposed Launch Date: August 2011 Launched aboard Ariane 5 Transport Spacecraft Mission to last 5-10 years
Deployment Sunsheild unfolds Mirror opens from 2 halves Competing designs
What Scientists Want to See
Early Galaxy Quasar
Current News First pictures from JWST prototype Galaxy NGC891
References e/www/area/index.cfm?fareaid=29