Transcript James Webb Space Telescope

James Webb Space
Telescope
Craig Lieneck
October 15, 2003
JWST
• Successor to the Hubble
Telescope
• James E. Webb – NASA’s
2nd Administrator
• Apollo Programs
• Lunar Explorations
• More than 75 launches
James E. Webb
Structure
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Primary Mirror: 6.5m (21.3ft)
– 1/3 weight of HST mirror
– 18 Segments (Beryllium)
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Aperture: 25m
Payload: 6,200kg
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Wavelength Coverage: 0.628microns
Operating Temperature: 50K
(-370°F)
Cost: $824,800,000,000
Orbit
Lagrange L2
Availability
Temperature
Mission
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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
What Scientists Want to See
Early Galaxy
Quasar
Current News
First pictures from JWST prototype
Galaxy NGC891
References
• http://www.jwst.nasa.gov/
• http://nextgen.stsci.edu/
• http://sci.esa.int/sciencee/www/area/index.cfm?fareaid=29