Chandra X-ray Observatory
Launch
X Ray
- Heaviest satellite the shuttle has ever launched
- Needed a Inertial Upper Stage (2nd stage)
- STS-93 July 23, 1999,
- Very high energy Photons
- Mirrors cant reflect it
- iridium coating is used
- Grazing incidence optics
- Nested barrel design
Subrahmanyan Chandrasekhar
- Indian-American astrophysicist
- 1983 Nobel Prize for Physics
- The Chandrasekhar limit
- Math Teacher of Carl Sagan
Success
Project
- Very very successful
- meant for 5 years gong for 20+
- early observation of Black Holes
- Help deeper study of planets
- Even photographed "HAND OF GOD"
- Complex Mirror + ISS funding
- GOV almost canceled the project
- Project would be smaller & non reparable
- Allowed for elliptical orbit 140,000 KM
- Cleared Van Allen radiation belt
- Allows for 55hr single Observations
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