James%20Webb%20Space%20Telescope

1
James Webb Space Telescope

• Craig Lieneck
• October 15, 2003

2
JWST

• Successor to the Hubble Telescope
• James E. Webb NASAs 2nd Administrator
• Apollo Programs
• Lunar Explorations
• More than 75 launches

James E. Webb
3
Structure

• Primary Mirror 6.5m (21.3ft)
• 1/3 weight of HST mirror
• 18 Segments (Beryllium)
• Aperture 25m
• Payload 6,200kg

• Wavelength Coverage 0.6-28microns
• Operating Temperature 50K (-370F)
• Cost 824,800,000,000

4
Orbit

• Lagrange L2
• Availability
• Temperature

5
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.

6
Launch Date

• Proposed Launch Date August 2011
• Launched aboard Ariane 5 Transport Spacecraft
• Mission to last 5-10 years

7
Deployment

• Sunsheild unfolds
• Mirror opens from 2 halves
• Competing designs

8
What Scientists Want to See
9
What Scientists Want to See
Early Galaxy Quasar
10
Current News

• First pictures from JWST prototype

Galaxy NGC891
11
References

• http//www.jwst.nasa.gov/
• http//nextgen.stsci.edu/
• http//sci.esa.int/science-e/www/area/index.cfm?fa
  reaid29